ci: skip cr on docs or test only changes

.github/workflows/cr.yml

@@ -7,6 +7,12 @@ on:
   pull_request:
     branches: [main]
     types: [opened, synchronize, labeled, ready_for_review]
+    paths-ignore:
+      - '.github/**'
+      - '__tests__/**'
+      - 'art/**'
+      - 'docs/**'
+      - '*.md'
 
 permissions: {}