ci(l1): ensure ethrex:main is not cached when using kurtosis in CI (#5091)

**Motivation**
Ensure we use the lastest version, kurtosis tends to use the cached one

Regression was introduced in this PR:
#4499

---------

Co-authored-by: Copilot <[email protected]>

Author: mpaulucci

.github/actions/snapsync-run/action.yml

@@ -7,22 +7,37 @@ inputs:
   timeout:
     description: Assertoor test timeout.
     required: true
+  ethrex_image:
+    description: Ethrex Docker image repository.
+    required: false
+    default: ghcr.io/lambdaclass/ethrex
+  ethrex_tag:
+    description: Ethrex Docker image tag.
+    required: false
+    default: main
 
 runs:
   using: composite
   steps:
     - uses: actions/checkout@v4
 
+    # We need to run this step because kurtosis uses cached docker images but we want the latest ethrex image
+    - name: Remove cached ethrex image
+      shell: bash
+      run: docker image rm -f ${{ inputs.ethrex_image }}:${{ inputs.ethrex_tag }} || true
+
     - name: Generate Kurtosis args
       shell: bash
       env:
         NETWORK_NAME: ${{ inputs.network }}
         TIMEOUT: ${{ inputs.timeout }}
+        ETHREX_IMAGE: ${{ inputs.ethrex_image }}
+        ETHREX_TAG: ${{ inputs.ethrex_tag }}
       run: |
         cat > .github/config/assertoor/network_params.generated.yaml <<YAML
         participants:
           - el_type: ethrex
-            el_image: ghcr.io/lambdaclass/ethrex:main
+            el_image: ${ETHREX_IMAGE}:${ETHREX_TAG}
             el_extra_params:
               - "--syncmode=snap"
             cl_type: lighthouse
@@ -61,3 +76,15 @@ runs:
         ethereum_package_url: github.com/ethpandaops/ethereum-package
         ethereum_package_branch: 82e5a7178138d892c0c31c3839c89d53ffd42d9a
         ethereum_package_args: .github/config/assertoor/network_params.generated.yaml
+
+    - name: Summarize ethrex version
+      if: ${{ always() }}
+      shell: bash
+      run: |
+        image="${{ inputs.ethrex_image }}:${{ inputs.ethrex_tag }}"
+        version="$(docker run --rm "$image" --version 2>/dev/null || true)"
+        {
+          echo "### Ethrex Version"
+          echo ""
+          echo "- ${version:-unavailable}"
+        } >> "${GITHUB_STEP_SUMMARY}"

.github/workflows/daily_snapsync.yaml

@@ -58,6 +58,7 @@ jobs:
     name: Sync ${{ matrix.network }}
     runs-on: ethrex-sync
     strategy:
+      fail-fast: false
       matrix:
         include: ${{ fromJson(needs.prepare.outputs.matrix) }}
     steps: