Update .github/workflows/build-and-cache-libpq.yml

Co-authored-by: Daniele Varrazzo <[email protected]>

Author: mliezun

.github/workflows/build-and-cache-libpq.yml

@@ -36,6 +36,7 @@ on:
   push:
     paths:
       - .github/workflows/build-and-cache-libpq.yml
+      - scripts/build/build_libpq.sh
 
 # TODO: move these env vars in an external env file in order to share them
 # across workflows.