Enable creation of the next minor release branch when a new release is created (#2810)

Author: GromNaN

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

@@ -9,6 +9,8 @@ jobs:
   release:
     name: "Git tag, release & create merge-up PR"
     uses: "doctrine/.github/.github/workflows/[email protected]"
+    with:
+      use-next-minor-as-default-branch: true
     secrets:
       GIT_AUTHOR_EMAIL: ${{ secrets.GIT_AUTHOR_EMAIL }}
       GIT_AUTHOR_NAME: ${{ secrets.GIT_AUTHOR_NAME }}