run off default branch in Connect

Author: Kevin Gartland

.github/workflows/deploy_tests.yml

@@ -52,7 +52,6 @@ jobs:
           with:
             repository: rstudio/connect
             path: 'test/connect-rsconnect-python'
-            ref: kg-rsconnect-repo
             sparse-checkout: |
                 test/rsconnect-python
                 scripts