ci: consume stable fixture

Signed-off-by: Ignacio Hagopian <[email protected]>

.github/workflows/stable-spec-tests.yml

@@ -2,7 +2,7 @@ name: Execution Spec Tests Fill and Consume (stable)
 
 on:
   push:
-    branches: [master]
+    branches: [master, jsign/ci-stable-fixtures]
   pull_request:
     branches: [master, kaustinen-with-shapella]
   workflow_dispatch:
@@ -45,7 +45,11 @@ jobs:
     needs: setup
     strategy:
       matrix:
-        filename: [fixtures_verkle-conversion-stride-0, fixtures_verkle-genesis]
+        filename:
+          [
+            fixtures_verkle-conversion-stride-0.tar.gz,
+            fixtures_verkle-genesis.tar.gz,
+          ]
     steps:
       - name: Download geth evm
         uses: actions/download-artifact@v4
@@ -63,11 +67,11 @@ jobs:
         with:
           repository: "ethereum/execution-spec-tests"
           tag: "${{ env.FIXTURES_TAG }}"
-          fileName: "${{ matrix.filename }}.tar.gz"
+          fileName: "${{ matrix.filename }}"
           extract: true
       - name: Clone execution-spec-tests and consume tests
         run: |
-          git clone https://github.com/ethereum/execution-spec-tests -b ${{ env.FIXTURES_TAG }}
+          git clone https://github.com/ethereum/execution-spec-tests -b ${{ env.FIXTURES_TAG }} --depth 1
           cd execution-spec-tests
           python3 -m venv venv
           . venv/bin/activate