docs: provide additional workflow example enabling release events

To simplify setup in our own repos, I'm adding another example workflow
file that uses the organization admin token in the release step, to
allow triggering a release workflow event (which will be necessary for
us to trigger documenation builds).

Signed-off-by: Matthew Weier O'Phinney <[email protected]>

Author: weierophinney

examples/.github/workflows/release-on-milestone-closed-triggering-release-event.yml

@@ -0,0 +1,57 @@
+# 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:
+          "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:
+          "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:
+          "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:
+          "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 }}