workflows: avoid duplicate tests when pushing tag

Author: amorison

.github/workflows/release.yml

@@ -2,6 +2,8 @@ name: release
 
 on:
   push:
+    branches:
+      - master
     tags:
       - 'v[0-9]+.[0-9]+.[0-9]+'
 
@@ -11,6 +13,7 @@ jobs:
 
   pypi-publish:
     needs: tests
+    if: ${{ startsWith(github.ref, 'refs/tags/v') }}
     permissions:
       id-token: write
     environment:

.github/workflows/tox.yml

@@ -1,8 +1,6 @@
 name: tox CI
 
 on:
-  push:
-    branches: [ master ]
   pull_request:
     branches: [ master ]