Put gates around the right job

Author: MScottBlake

.github/workflows/release.yml

@@ -36,6 +36,7 @@ jobs:
 
   publish-to-pypi:
     name: Publish to PyPI
+    if: github.ref == 'refs/heads/main' && startsWith(github.ref, 'refs/tags/v')
     runs-on: ubuntu-latest
     environment:
       name: PyPi
@@ -52,7 +53,6 @@ jobs:
 
   install-library-from-pypi:
     name: Install from PyPI
-    if: startsWith(github.ref, 'refs/tags/v')
     needs: [publish-to-pypi]
     runs-on: ubuntu-latest
     steps: