ci: update to master branch

Author: Tommytrg

.github/workflows/deploy.yml

@@ -4,7 +4,7 @@ on:
   # Runs on pushes targeting the `main` branch. Change this to `master` if you're
   # using the `master` branch as the default branch.
   push:
-    branches: [gh-pages]
+    branches: [master]
 
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: