Run regenerate-windows-sys on Thu (#1348)

And run whenever the generation code has changed.

Author: NobodyXu

.github/workflows/regenerate-windows-sys.yml

@@ -3,7 +3,12 @@ name: Regenerate windows sys bindings
 on:
   workflow_dispatch: # Allow running on-demand
   schedule:
-    - cron: '0 3 * * 5'
+    - cron: '0 3 * * 4'
+  push:
+    branches:
+      - 'main'
+    paths:
+      - 'dev-tools/gen-target-info/**'
 
 jobs:
   regenerate: