Add back deploy only master branch condition

Author: garyghayrat

.github/workflows/ci.yaml

@@ -170,6 +170,7 @@ jobs:
   deploy-to-fleek:
     needs: [build]
     runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/master'
     env:
       FLEEK_TOKEN: ${{ secrets.FLEEK_TOKEN }}
       FLEEK_PROJECT_ID: ${{ secrets.FLEEK_PROJECT_ID }}