Split push/release github actions workflows

Author: CyrilWaechter

.github/workflows/push.yml

@@ -0,0 +1,18 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build_wheels:
+    name: Build wheel on ${{matrix.platform}}
+    runs-on: ${{matrix.platform}}
+    strategy:
+      matrix:
+        platform: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build wheels
+      uses: pypa/[email protected]
+    - uses: actions/upload-artifact@v2
+      with:
+        path: ./wheelhouse/*.whl

.github/workflows/wheels.yml renamed to .github/workflows/release.yml

@@ -1,6 +1,6 @@
-name: Build
+name: Release
 
-on: [push, pull_request]
+on: release
 
 jobs:
   build_wheels: