🐛 Reactivate testpypi jobs when tagging (#11)

Co-authored-by: Peter Hessey <a-phessey@microsoft.com>

.github/workflows/build-test-pr.yml

@@ -177,7 +177,6 @@ jobs:
   publish-testpypi-pkg:
     runs-on: ubuntu-latest
     needs: [test-artifact-pkg]
-    if: "!startsWith(github.ref, 'refs/tags')"
     steps:
       - name: Download Distribution
         uses: actions/download-artifact@v2