Update commit message for library update

Signed-off-by: Brian J. Murrell <brian.murrell@intel.com>

Author: brianjmurrell

.github/workflows/update_pipeline_lib_branch.yml

@@ -14,7 +14,7 @@ jobs:
     - uses: daos-stack/update-pipeline-lib-action@initial
     - uses: stefanzweifel/git-auto-commit-action@v4
       with:
-        commit_message: Update pipeline-lib branch
+        commit_message: Update Pipeline library branch
         commit_options: '--signoff'
       id: update_pipeline_lib_branch
       env: