ci: pin ubuntu to 20.04 to avoid glibc errors

ref: https://github.com/paradigmxyz/reth/actions/runs/5486255403/jobs/9996118421
ref: https://github.com/foundry-rs/foundry/issues/3827

Compiling serde v1.0.164
error: /lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.25' not found (required by /target/maxperf/deps/libserde_derive-6e9709c79bb5c7fa.so)
   --> /cargo/registry/src/index.crates.io-6f17d22bba15001f/serde-1.0.164/src/lib.rs:340:1
    |
340 | extern crate serde_derive;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^

.github/workflows/bench.yml

@@ -13,7 +13,7 @@ concurrency:
 name: bench
 jobs:
   iai:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     # Only run benchmarks in merge groups
     if: github.event_name != 'pull_request'
     steps:
@@ -60,7 +60,7 @@ jobs:
   # Checks that benchmarks not run in CI compile
   bench-check:
     name: check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - name: Install toolchain
@@ -74,7 +74,7 @@ jobs:
     if: always()
     name: bench success
     needs: bench-check
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Decide whether the needed jobs succeeded or failed
         uses: re-actors/alls-green@release/v1

.github/workflows/book.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     name: test
 
     steps:
@@ -30,7 +30,7 @@ jobs:
         run: mdbook test
 
   lint:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     name: lint
 
     steps:
@@ -48,7 +48,7 @@ jobs:
         run: mdbook-linkcheck --standalone
 
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
         with:
@@ -108,7 +108,7 @@ jobs:
   deploy:
     # Only deploy if a push to main
     if: github.ref_name == 'main' && github.event_name == 'push'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [test, lint, build]
 
     # Grant GITHUB_TOKEN the permissions required to make a Pages deployment

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ name: ci
 jobs:
   lint:
     name: code lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout sources
         uses: actions/checkout@v3
@@ -40,7 +40,7 @@ jobs:
 
   doc-lint:
     name: doc lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - name: Install toolchain
@@ -51,7 +51,7 @@ jobs:
 
   grafana-lint:
     name: grafana lint
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - name: Check dashboard JSON with jq
@@ -62,7 +62,7 @@ jobs:
   lint-success:
     if: always()
     name: lint success
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [lint, doc-lint, grafana-lint]
     steps:
       - name: Decide whether the needed jobs succeeded or failed

.github/workflows/deny.yml

@@ -18,7 +18,7 @@ concurrency: deny-${{ github.head_ref || github.run_id }}
 jobs:
   deny:
     name: deny
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - uses: EmbarkStudios/cargo-deny-action@v1

.github/workflows/docker.yml

@@ -16,7 +16,7 @@ env:
 jobs:
   build:
     name: build and push
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     permissions:
       packages: write
       contents: read

.github/workflows/fuzz.yml

@@ -16,7 +16,7 @@ jobs:
     # Skip the Fuzzing Jobs until we make them run fast and reliably. Currently they will
     # always recompile the codebase for each test and that takes way too long.
     if: false
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         target:
@@ -62,7 +62,7 @@ jobs:
   fuzz-success:
     if: always()
     name: fuzz success
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: all
     steps:
       # Note: This check is a dummy because we currently have fuzz tests disabled.

.github/workflows/hive.yml

@@ -14,7 +14,7 @@ concurrency:
 name: hive
 jobs:
   prepare:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout sources
         uses: actions/checkout@v3
@@ -104,7 +104,7 @@ jobs:
       fail-fast: false
     needs: prepare
     name: run
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     steps:
       - name: Download artifacts

.github/workflows/integration.yml

@@ -16,7 +16,7 @@ name: integration
 jobs:
   test:
     name: test (partition ${{ matrix.partition }}/${{ strategy.job-total }})
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         partition: [1, 2]
@@ -65,7 +65,7 @@ jobs:
     name: sync / 100k blocks
     # Only run sync tests in merge groups
     if: github.event_name == 'merge_group'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       RUST_LOG: info,sync=error
     steps:
@@ -93,7 +93,7 @@ jobs:
   integration-success:
     if: always()
     name: integration success
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [test]
     steps:
       - name: Decide whether the needed jobs succeeded or failed

.github/workflows/release.yml

@@ -16,7 +16,7 @@ env:
 jobs:
   extract-version:
     name: extract version
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Extract version
         run: echo "VERSION=$(echo ${GITHUB_REF#refs/tags/})" >> $GITHUB_OUTPUT
@@ -34,10 +34,10 @@ jobs:
                x86_64-pc-windows-gnu]
         include:
           -   arch: aarch64-unknown-linux-gnu
-              platform: ubuntu-latest
+              platform: ubuntu-20.04
               profile: maxperf
           -   arch: x86_64-unknown-linux-gnu
-              platform: ubuntu-latest
+              platform: ubuntu-20.04
               profile: maxperf
           -   arch: x86_64-apple-darwin
               platform: macos-latest
@@ -46,7 +46,7 @@ jobs:
               platform: macos-latest
               profile: maxperf
           -   arch: x86_64-pc-windows-gnu
-              platform: ubuntu-latest
+              platform: ubuntu-20.04
               profile: maxperf
 
     runs-on: ${{ matrix.platform }}
@@ -129,7 +129,7 @@ jobs:
   draft-release:
     name: draft release
     needs:  [build, extract-version]
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       VERSION:  ${{ needs.extract-version.outputs.VERSION }}
     permissions:

.github/workflows/sanity.yml

@@ -15,7 +15,7 @@ env:
 name: sanity
 jobs:
   dep-version-constraints:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     name: dep version constraints test (partition ${{ matrix.partition }}/${{ strategy.job-total }})
     strategy:
       matrix:
@@ -64,7 +64,7 @@ jobs:
           filename: .github/SANITY_DEPS_ISSUE_TEMPLATE.md
 
   unused-deps:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     name: unused dependencies
     steps:
       - name: Checkout sources

.github/workflows/stale.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   close-issues:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     permissions:
       issues: write
       pull-requests: write

.github/workflows/unit.yml

@@ -15,7 +15,7 @@ name: unit
 jobs:
   test:
     name: test (partition ${{ matrix.partition }}/${{ strategy.job-total }})
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         partition: [1, 2, 3, 4]
@@ -51,7 +51,7 @@ jobs:
 
   eth-blockchain:
     name: ethereum / state tests (stable)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     env:
       RUST_LOG: info,sync=error
     steps:
@@ -83,7 +83,7 @@ jobs:
 
   doc-test:
     name: rustdoc
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v3
       - name: Install toolchain
@@ -95,7 +95,7 @@ jobs:
   unit-success:
     if: always()
     name: unit success
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     needs: [test, eth-blockchain, doc-test]
     steps:
       - name: Decide whether the needed jobs succeeded or failed