Update main.yaml

Author: Shaun Persad

.github/workflows/main.yaml

@@ -49,5 +49,5 @@ jobs:
           pnpm run upload . \
             --staging \
             --repoFullName ${{ github.repository }} \
-            --branch ${{ github.ref_name }}
+            --branch ${{ github.ref_name }} \
             --hash $SHA_SHORT