ci: add test for act failure

.github/workflows/beekeeper.yml

@@ -183,6 +183,7 @@ jobs:
           if ${{ steps.pushsync-chunks-2.outcome=='failure' }}; then FAILED=pushsync-chunks-2; fi
           if ${{ steps.retrieval.outcome=='failure' }}; then FAILED=retrieval; fi
           if ${{ steps.manifest.outcome=='failure' }}; then FAILED=manifest; fi
+          if ${{ steps.act.outcome=='failure' }}; then FAILED=act; fi
           if ${{ steps.content-availability.outcome=='failure' }}; then FAILED=content-availability; fi
           curl -sSf -X POST -H "Content-Type: application/json" -d "{\"text\": \"**${RUN_TYPE}** Beekeeper Error\nBranch: \`${{ github.head_ref }}\`\nUser: @${{ github.event.pull_request.user.login }}\nDebugging artifacts: [click](https://$BUCKET_NAME.$AWS_ENDPOINT/artifacts_$VERTAG.tar.gz)\nStep failed: \`${FAILED}\`\"}" https://beehive.ethswarm.org/hooks/${{ secrets.TUNSHELL_KEY }}
           echo "Failed test: ${FAILED}"