Automatic versioning with release drafter (#346)

Co-authored-by: Joakim Sørensen <joasoe@gmail.com>

Author: marcelveldt

.github/release-drafter.yml

@@ -1,13 +1,25 @@
-change-template: "- #$NUMBER - $TITLE (@$AUTHOR)"
+name-template: '$RESOLVED_VERSION'
+tag-template: '$RESOLVED_VERSION'
+change-template: '- #$NUMBER - $TITLE (@$AUTHOR)'
 categories:
   - title: "⚠ Breaking Changes"
     labels:
-      - "breaking-change"
-  - title: "⬆️ Dependencies"
+      - 'breaking-change'
+  - title: '⬆️ Dependencies'
     collapse-after: 1
     labels:
-      - "dependencies"
+      - 'dependencies'
+      - 'ci'
 template: |
   ## What’s Changed
 
   $CHANGES
+version-resolver:
+  major:
+    labels:
+      - 'breaking-change'
+  minor:
+    labels:
+      - 'new-feature'
+      - 'enhancement'
+  default: patch

.github/workflows/pr-labels.yaml

@@ -0,0 +1,23 @@
+---
+name: PR Labels
+
+# yamllint disable-line rule:truthy
+on:
+  pull_request:
+    types:
+      - synchronize
+      - labeled
+      - unlabeled
+    branches:
+      - main
+
+jobs:
+  pr_labels:
+    name: Verify
+    runs-on: ubuntu-latest
+    steps:
+      - name: 🏷 Verify PR has a valid label
+        uses: ludeeus/action-require-labels@1.0.0
+        with:
+         labels: >-
+            breaking-change, bugfix, refactor, new-feature, maintenance, ci, dependencies