Add version resolving

Author: fwal

.github/release-drafter.yml

@@ -12,5 +12,19 @@ categories:
     label: 'bug'
   - title: 'Dependencies'
     label: 'dependencies'
+version-resolver:
+  major:
+    labels:
+      - 'major'
+      - 'breaking'
+  minor:
+    labels:
+      - 'minor'
+      - 'enhancement'
+  patch:
+    labels:
+      - 'patch'
+      - 'bug'
+  default: patch
 template: |
   $CHANGES