fix: release from main, not master

Author: rvagg

.github/workflows/test-and-release.yml

@@ -28,7 +28,7 @@ jobs:
     name: Release
     needs: test
     runs-on: ubuntu-latest
-    if: github.event_name == 'push' && github.ref == 'refs/heads/master'
+    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - name: Checkout
         uses: actions/checkout@v3