Update sphinx.yml

Updating the requirements.txt file path and adding the back sphinx-notes/pages@v3

Author: mg-andrews

.github/workflows/sphinx.yml

@@ -1,10 +1,11 @@
-name: "Sphinx: Render docs"
+name: Sphinx-docs
 
 on:
   push:
-    tags:
-          - '*'  # Triggers the workflow only on version tags
-  workflow_dispatch:  # Allows manual triggering of the workflow
+    branches:
+      - main
+      - gh-pages
+  workflow_dispatch:
 
 jobs:
   pages:
@@ -34,4 +35,4 @@ jobs:
       uses: peaceiris/actions-gh-pages@v3
       with:
         github_token: ${{ secrets.DOCSITE_TOKEN }}
-        publish_dir: docs/build/html
+        publish_dir: docs/build/html