Add labeler workflow (#29)

Author: lucacome

.github/labeler.yml

@@ -0,0 +1,22 @@
+change:
+  - head-branch: ['^change/']
+
+enhancement:
+  - head-branch: ['^feature/', '^feat/', '^enhancement/', '^enh/']
+
+bug:
+  - head-branch: ['^fix/', '^bug/']
+
+chore:
+  - head-branch: ['^chore/']
+
+documentation:
+  - head-branch: ['^docs/', '^doc/']
+  - changed-files: '**/*.md'
+
+dependencies:
+  - head-branch: ['^deps/', '^dep/', '^dependabot/', 'pre-commit-ci-update-config']
+  - changed-files: ['go.mod', 'go.sum']
+
+helm_chart:
+  - changed-files: ['deployments/helm-chart/**/*']

.github/workflows/labeler.yml

@@ -0,0 +1,17 @@
+name: "Pull Request Labeler"
+on:
+  - pull_request_target
+
+permissions:
+  contents: read
+
+jobs:
+  triage:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/labeler@4f052778de9a9b80cb16cfb9079b02287285a4cb # v5.0.0-alpha.1
+        with:
+          repo-token: "${{ secrets.GITHUB_TOKEN }}"