split build and release jobs

Author: PicoCentauri

.github/workflows/build.yml

@@ -0,0 +1,22 @@
+name: Build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    # Check all PR
+
+jobs:
+  build:
+    name: tests
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: setup Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+    - run: python -m pip install tox
+    - name: Build package
+      run: tox -e build

.github/workflows/build-release.yml renamed to .github/workflows/release.yml

@@ -1,11 +1,8 @@
-name: Build and Release
+name: Release
 
 on:
   push:
-    branches: [main]
     tags: ["*"]
-  pull_request:
-    # Check all PR
 
 jobs:
   build: