Add require-label workflow

Signed-off-by: Daniel Weiße <[email protected]>

.github/workflows/require-label.yml

@@ -0,0 +1,24 @@
+name: 'Check: require label'
+
+on:
+  pull_request:
+    types: [opened, labeled, unlabeled, synchronize]
+
+jobs:
+  label:
+    runs-on: ubuntu-24.04
+    permissions:
+      pull-requests: read
+    steps:
+      - uses: mheap/github-action-required-labels@388fd6af37b34cdfe5a23b37060e763217e58b03 # 5.5.0
+        with:
+          mode: minimum
+          count: 1
+          labels: |
+            breaking change
+            bug fix
+            changelog
+            dependencies
+            feature
+            documentation
+            no changelog