Auto rebase groovy-dsl on top of kotlin-dsl (#17)

.github/workflows/auto-rebase.yml

@@ -0,0 +1,25 @@
+name: Rebase groovy-dsl branch
+on:
+  push:
+    branches:
+      - kotlin-dsl
+  workflow_dispatch:
+
+jobs:
+  rebase:
+    if: github.repository_owner == 'gradle'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: groovy-dsl
+          fetch-depth: '0'
+
+      - name: Rebase
+        run: |
+          git config user.email "${GITHUB_ACTOR_ID}+${GITHUB_ACTOR}@users.noreply.github.com"
+          git config user.name "Github Actions"
+          git rebase origin/kotlin-dsl
+          git push --force-with-lease origin groovy-dsl