Update gh-pages.yml

Fix wrong ref name

Author: ikhsan3adi

.github/workflows/gh-pages.yml

@@ -32,14 +32,14 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v4
-        if: github.ref == 'refs/heads/main'
+        if: github.ref == 'refs/heads/master'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./build/web
 
       - name: Deploy (Test)
         uses: peaceiris/actions-gh-pages@v4
-        if: github.ref != 'refs/heads/main'
+        if: github.ref != 'refs/heads/master'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./build/web