revert: "ci: reuse pr title & release actions from ufc/actions (#364)"

This reverts commit dca12c2

.github/workflows/pr.yaml

@@ -9,4 +9,21 @@ on:
 
 jobs:
   title:
-    uses: ubuntu-flutter-community/actions/.github/workflows/semantic-pr.yaml@main
+    permissions:
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v5
+        id: semantic-pr
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - uses: marocchino/sticky-pull-request-comment@v2
+        if: always() && steps.semantic-pr.outputs.error_message != null
+        with:
+          header: semantic-pr-error
+          message: ${{steps.semantic-pr.outputs.error_message}}
+      - if: steps.semantic-pr.outputs.error_message == null
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          header: semantic-pr-error
+          delete: true

.github/workflows/release.yaml

@@ -8,4 +8,13 @@ on:
 
 jobs:
   release:
-    uses: ubuntu-flutter-community/actions/.github/workflows/release-please.yaml@main
+    permissions:
+      contents: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v3
+        with:
+          release-type: dart
+          changelog-notes-type: github
+          pull-request-title-pattern: 'chore: release v${version}'