ci: chores (#5280)

.github/workflows/docker.yml

@@ -1,3 +1,5 @@
+# Publishes the Docker image.
+
 name: docker
 
 on:
@@ -21,24 +23,18 @@ jobs:
       packages: write
       contents: read
     steps:
-      - name: Checkout sources
-        uses: actions/checkout@v3
-      - name: Get latest version of stable Rust
-        run: rustup update stable
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
       - uses: Swatinem/rust-cache@v2
         with:
           cache-on-failure: true
-
+      - uses: taiki-e/install-action@cross
       - name: Log in to Docker
         run: |
           echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io --username ${DOCKER_USERNAME} --password-stdin
-
       - name: Set up Docker builder
         run: |
           docker run --privileged --rm tonistiigi/binfmt --install arm64,amd64
           docker buildx create --use --name cross-builder
-
       - name: Build and push image
-        run: |
-          cargo install cross
-          env PROFILE=maxperf make docker-build-latest
+        run: make PROFILE=maxperf docker-build-latest