Add pull request labeler

.github/labeler.yml

@@ -0,0 +1,15 @@
+skip-changelog:
+- changed-files:
+  - any-glob-to-any-file: [ '.gitattributes', '.github/**/*', '.gitignore', 'crowdin.yml', '.mvn/**/*' ]
+
+dependencies:
+- changed-files:
+  - any-glob-to-any-file: [ 'pom.xml' ]
+
+documentation:
+- changed-files:
+  - any-glob-to-any-file: [ '*.adoc', '*.md', '*.txt', '**/*.html', '**/*.png', 'LICENSE*' ]
+
+tests:
+- changed-files:
+  - any-glob-to-any-file: [ 'src/test/**/*' ]

.github/workflows/labeler.yml

@@ -0,0 +1,11 @@
+name: "Pull Request Labeler"
+on:
+- pull_request_target
+
+jobs:
+  triage:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/labeler@v5
+      with:
+        repo-token: "${{ secrets.GITHUB_TOKEN }}"