Bump doctrine/.github/.github/workflows/release-on-milestone-closed.yml

Bumps [doctrine/.github/.github/workflows/release-on-milestone-closed.yml](https://github.com/doctrine/.github) from 13.0.0 to 13.1.0.
- [Release notes](https://github.com/doctrine/.github/releases)
- [Commits](https://github.com/doctrine/.github/compare/13.0.0...13.1.0)

---
updated-dependencies:
- dependency-name: doctrine/.github/.github/workflows/release-on-milestone-closed.yml
  dependency-version: 13.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/release-on-milestone-closed.yml

@@ -8,7 +8,7 @@ on:
 jobs:
   release:
     name: "Git tag, release & create merge-up PR"
-    uses: "doctrine/.github/.github/workflows/release-on-milestone-closed.yml@13.0.0"
+    uses: "doctrine/.github/.github/workflows/release-on-milestone-closed.yml@13.1.0"
     secrets:
       GIT_AUTHOR_EMAIL: ${{ secrets.GIT_AUTHOR_EMAIL }}
       GIT_AUTHOR_NAME: ${{ secrets.GIT_AUTHOR_NAME }}