Fix SAR pipeline

Author: leandrodamascena

.github/workflows/run-e2e-tests.yml

@@ -41,7 +41,7 @@ permissions:
 
 jobs:
   run:
-    runs-on: ubuntu-latest
+    runs-on: aws-powertools_ubuntu-latest_8-core
     permissions:
       id-token: write # needed to request JWT with GitHub's OIDC Token endpoint. docs: https://bit.ly/3MNgQO9
       contents: read  # checkout code