ci: deploy docs on develop

Author: ShrBox

.github/workflows/build_docs.yml

@@ -5,7 +5,7 @@ on:
       - docs/**
       - mkdocs.yml
   workflow_dispatch:
-  
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -23,7 +23,7 @@ jobs:
           path: site/
 
   deploy:
-    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+    if: github.ref == 'refs/heads/develop' && github.event_name == 'push'
     needs:
       - build
     permissions: