Update sphinx_gh_pages.yml

Author: chavarera

.github/workflows/sphinx_gh_pages.yml

@@ -5,10 +5,9 @@ name: Build-sphinx-docs
 # Controls when the workflow will run
 on:
   # Triggers the workflow on push or pull request events but only for the main branch
-  push:
-    branches: [main]
-  pull_request:
+  release:
     branches: [main]
+  
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: