ci: deploy to github pages on pushes to main

Author: avivace

.github/workflows/build-deploy.yml

@@ -61,8 +61,8 @@ jobs:
 
   deploy:
     name: Deploy to GitHub pages
-    # Do not run this unless *pushing* to `master`.
-    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    # Do not run this unless *pushing* to the default branch (`main`).
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}