Run kurtosis e2e test 2x/day (#12641)

.github/assets/kurtosis_network_params.yaml

@@ -2,8 +2,6 @@ participants:
   - el_type: geth
     cl_type: lighthouse
   - el_type: reth
-    el_extra_params:
-      - --engine.experimental
     el_image: "ghcr.io/paradigmxyz/reth:kurtosis-ci"
     cl_type: teku
 additional_services:

.github/workflows/kurtosis.yml

@@ -5,8 +5,8 @@ name: kurtosis
 on:
   workflow_dispatch:
   schedule:
-    # every day
-    - cron: "0 1 * * *"
+    # run every 12 hours
+    - cron: "0 */12 * * *"
 
 env:
   CARGO_TERM_COLOR: always