fix yaml syntax error

.github/release-drafter.yml

@@ -24,13 +24,14 @@ categories:
     labels:
       - 'bug'
   - title: 'Documentation and Other Changes'
-    label: 'ci'
-    label: 'github-actions'
-    label: 'documentation'
-    label: 'new-category'
-    label: 'javascript'
-    label: 'schema-builder'
-    label: 'schema'
+    labels:
+      - 'ci'
+      - 'github-actions'
+      - 'documentation'
+      - 'new-category'
+      - 'javascript'
+      - 'schema-builder'
+      - 'schema'
   - title: 'Dependencies'
     collapse-after: 3
     labels:
@@ -48,4 +49,4 @@ version-resolver:
     labels:
       - 'bug'
   default: minor
-template: $CHANGES
+template: '$CHANGES'