Initial commit.

.github/workflows/sync-release-version.yml

@@ -0,0 +1,27 @@
+name: Update release version.
+on:
+  release:
+    types: [published]
+
+
+jobs:
+  update-version:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Sync release version
+        uses: tj-actions/sync-release-version@v8
+        id: sync-release-version
+        with:
+          pattern: 'tj-actions/changed-files@'
+          paths: |
+            README.md
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v3
+        with:
+          base: "main"
+          title: "Upgraded to ${{ steps.sync-release-version.outputs.new_version }}"
+          branch: "upgrade-to-${{ steps.sync-release-version.outputs.new_version }}"
+          commit-message: "Upgraded from ${{ steps.sync-release-version.outputs.old_version }} -> ${{ steps.sync-release-version.outputs.new_version }}"
+          body: "View [CHANGES](https://github.com/${{ github.repository }}/compare/${{ steps.sync-release-version.outputs.old_version }}...${{ steps.sync-release-version.outputs.new_version }})"
+          token: ${{ secrets.PAT_TOKEN }}