ci: adjust release please config for v4

.github/workflows/release.yaml

@@ -7,22 +7,22 @@ on:
     - main
     - "release-**"
 
+permissions:
+    contents: write
+    pull-requests: write
 
 jobs:
   release-please:
     runs-on: ubuntu-latest
     steps:
-      - uses: google-github-actions/release-please-action@4c5670f886fe259db4d11222f7dff41c1382304d # v3
-        with:
-          release-type: simple
-          package-name: ""
-          default-branch: main
-          pull-request-title-pattern: "ci: release ${version}"
-          token: ${{ secrets.PAT_TOKEN }}
-          extra-files: |
-            rockcraft.yaml
-            internal/version/const.go
+      - uses: googleapis/release-please-action@v4
         id: release
+        with:   
+          token: ${{ secrets.PAT_TOKEN }}
+          # optional. customize path to release-please-config.json
+          config-file: release-please-config.json
+          # optional. customize path to .release-please-manifest.json
+          manifest-file: .release-please-manifest.json
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
       - name: Workaround for https://github.com/googleapis/release-please/issues/922
         if: ${{ steps.release.outputs.pr != '' }}

.release-please-manifest.json

@@ -1,3 +1,3 @@
 {
-  ".": "0.0.0"
+  ".": "1.22.1"
 }

release-please-config.json

@@ -7,6 +7,8 @@
       "bump-patch-for-minor-pre-major": false,
       "draft": false,
       "prerelease": false,
+      "pull-request-title-pattern": "ci: release ${version}",
+      "package-name": "",
       "extra-files": [
         "rockcraft.yaml",
         "internal/version/const.go"