Updating github-config

Author: paketo-bot

.github/workflows/update-builder-toml.yml

@@ -126,8 +126,8 @@ jobs:
     - name: Check if branch has commits
       id: check-if-commits
       run: |
-       # get the number of commits in the branch
-       commits=$(git rev-list --count automation/builder-toml-update)
+       # get the number of commits since it branched off from main
+       commits=$(git rev-list --count main..automation/builder-toml-update)
        if [ "$commits" -eq 0 ]; then
          echo "No commits in branch automation/builder-toml-update"
          echo "commits=0" >> "$GITHUB_OUTPUT"