Automate the release process

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

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+# https://help.github.com/en/categories/automating-your-workflow-with-github-actions
+
+name: "Automatic Releases"
+
+on:
+  milestone:
+    types:
+      - "closed"
+
+jobs:
+  release:
+    name: "GIT tag, release & create merge-up PR"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Release"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:release"
+        env:
+          "SHELL_VERBOSITY": "3"
+          "GITHUB_TOKEN": ${{ secrets.ORGANIZATION_ADMIN_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Create Merge-Up Pull Request"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:create-merge-up-pull-request"
+        env:
+          "SHELL_VERBOSITY": "3"
+          "GITHUB_TOKEN": ${{ secrets.GITHUB_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Create and/or Switch to new Release Branch"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:switch-default-branch-to-next-minor"
+        env:
+          "SHELL_VERBOSITY": "3"
+          "GITHUB_TOKEN": ${{ secrets.ORGANIZATION_ADMIN_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Bump Changelog Version On Originating Release Branch"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:bump-changelog"
+        env:
+          "SHELL_VERBOSITY": "3"
+          "GITHUB_TOKEN": ${{ secrets.GITHUB_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}
+
+      - name: "Create new milestones"
+        uses: "laminas/automatic-releases@v1"
+        with:
+          command-name: "laminas:automatic-releases:create-milestones"
+        env:
+          "SHELL_VERBOSITY": "3"
+          "GITHUB_TOKEN": ${{ secrets.GITHUB_TOKEN }}
+          "SIGNING_SECRET_KEY": ${{ secrets.SIGNING_SECRET_KEY }}
+          "GIT_AUTHOR_NAME": ${{ secrets.GIT_AUTHOR_NAME }}
+          "GIT_AUTHOR_EMAIL": ${{ secrets.GIT_AUTHOR_EMAIL }}