Tweak...

ci/dependabot-pr.sh

@@ -22,7 +22,7 @@ if [[ $(git status --short :**/Cargo.lock | wc -l) -gt 0 ]]; then
     GIT_AUTHOR_NAME="$NAME" \
       GIT_COMMITTER_NAME="$NAME" \
       EMAIL="dependabot-buildkite@noreply.solana.com" \
-      git commit -m "Update all Cargo lock files"
+      git commit -m "[auto-commit] Update all Cargo lock files"
     api_base="https://api.github.com/repos/solana-labs/solana/pulls"
     pr_num=$(echo "$BUILDKITE_BRANCH" | grep -Eo '[0-9]+')
     branch=$(curl -s "$api_base/$pr_num" | python -c 'import json,sys;print json.load(sys.stdin)["head"]["ref"]')