Only build from master & testpypi

Author: BjornFJohansson

.github/workflows/pydna_pypi_build_workflow.yml

@@ -5,7 +5,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    if: github.event_name == 'release' && contains(github.ref, '/master')
+    if: github.event.release.target_commitish == 'master'
     steps:
       - uses: actions/checkout@v3
       - name: Build and publish to pypi

.github/workflows/pydna_test_pypi_build_workflow.yml

@@ -5,7 +5,7 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-    if: github.event_name == 'release' && contains(github.ref, '/testpypi')
+    if: github.event.release.target_commitish == 'testpypi'
     steps:
       - uses: actions/checkout@v3
       - name: Build and publish to pypi