feat: Use GitHub Actions run ID to create unique branch name in update-readme.yml

.github/workflows/update-readme.yml

@@ -37,12 +37,12 @@ jobs:
         uses: stefanzweifel/git-auto-commit-action@v5
         with:
           commit_message: "Update README with latest models"
-          branch: update-readme
+          branch: update-readme-${{ github.run_id }}
       - name: Create Pull Request
         if: steps.changes.outputs.exit_code != '0'
         uses: peter-evans/create-pull-request@v5
         with:
           title: "Update README with latest models"
           body: "This PR updates the README with the latest available models."
-          branch: update-readme
+          branch: update-readme-${{ github.run_id }}
           base: main