Rebuild cache for GMT remote datasets

Author: weiji14

.github/workflows/cache_data.yaml

@@ -12,7 +12,7 @@ name: Cache data
 
 on:
   # Uncomment the 'pull_request' line below to manually re-cache data artifacts
-  # pull_request:
+  pull_request:
   # Schedule runs on 12 noon every Sunday
   schedule:
     - cron: '0 12 * * 0'