chore: add release & pr label actions

.github/workflows/release_on_tag.yml

@@ -0,0 +1,27 @@
+name: 'Release on tag'
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  release:
+    permissions:
+      contents: write
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    steps:
+      - name: Build Changelog
+        id: github_release
+        uses: mikepenz/release-changelog-builder-action@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_PAT }}
+
+      - name: Create Release
+        uses: actions/create-release@v1
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: ${{ github.ref }}
+          body: ${{steps.github_release.outputs.changelog}}
+        env:
+          GITHUB_TOKEN: ${{ secrets.RELEASE_PAT }}

.github/workflows/require_pr_label.yml

@@ -0,0 +1,13 @@
+name: Pull Request Labels
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled, synchronize]
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: mheap/github-action-required-labels@v1
+        with:
+          mode: exactly
+          count: 1
+          labels: "fix, feature, doc, chore, test, ignore, other, dependencies"