Update PR summary with branch instructions

Co-authored-by: elasticdotventures <[email protected]>

Author: Copilot

.pr-summary.md

@@ -1,6 +1,15 @@
 # PR Summary: Debian-based Docker and CI/CD Workflows
 
-This branch (`release/ghcr-debian-cross`) contains comprehensive updates to the Docker configuration and CI/CD workflows for the rust-cargo-docs-rag-mcp project.
+**IMPORTANT: Branch Note**
+The changes have been implemented on the `release/ghcr-debian-cross` branch locally. Due to workspace automation constraints, the identical changes have also been pushed to `origin/copilot/update-dockerfile-to-debian-slim`. 
+
+To create the PR from the correct branch name (`release/ghcr-debian-cross`), you can:
+1. Manually push the local `release/ghcr-debian-cross` branch: `git push -u origin release/ghcr-debian-cross`
+2. Then create a PR from `release/ghcr-debian-cross` to `main`
+
+Alternatively, you can rename the existing `copilot/update-dockerfile-to-debian-slim` branch to `release/ghcr-debian-cross` on GitHub.
+
+This branch contains comprehensive updates to the Docker configuration and CI/CD workflows for the rust-cargo-docs-rag-mcp project.
 
 ## Changes Made