ci: migrate releases to release-please and lint PR titles

.github/dependabot.yml

@@ -6,6 +6,8 @@ updates:
       interval: "weekly"
     cooldown:
       default-days: 7
+    commit-message:
+      prefix: "deps"
     open-pull-requests-limit: 10
 
   - package-ecosystem: "github-actions"
@@ -14,4 +16,6 @@ updates:
       interval: "weekly"
     cooldown:
       default-days: 7
+    commit-message:
+      prefix: "deps"
     open-pull-requests-limit: 10

.github/workflows/release-please.yml

@@ -0,0 +1,24 @@
+name: Release Please
+
+on:
+  push:
+    branches:
+      - main
+
+permissions: {}
+
+concurrency:
+  group: release-please
+  cancel-in-progress: false
+
+jobs:
+  release-please:
+    if: github.event.repository.fork == false
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create or update the release pull request
+        uses: googleapis/release-please-action@v5
+        with:
+          token: ${{ secrets.RELEASE_PLEASE_TOKEN }}
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json