Update .github/workflows/tests.yml

Author: leandrocp

.github/workflows/tests.yml

@@ -133,7 +133,7 @@ jobs:
     name: CRAP Report
     needs: tests
     if: ${{ github.event_name == 'pull_request' && needs.tests.result == 'success' }}
-    runs-on: blacksmith-8vcpu-ubuntu-2404
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Setup elixir