Update workflow to run on push to master

.github/workflows/macos_mkspecs.yml

@@ -1,32 +1,22 @@
-name: MacOS C++ make-specs
-on:
-  workflow_dispatch:
-    inputs:
-      extra_resolve_options:
-        description: "Extra Resolve Options"
-        required: false
-  schedule:
-    - cron: "0 1 * * *" # 3 AM CET
-  push:
-  pull_request:
+concurrency:
+  cancel-in-progress: true
+  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
 jobs:
   MacOS-mkspecs:
     uses: steinwurf/macos-mkspecs-action/.github/workflows/action.yml@7.0.0
     with:
       extra_resolve_options: ${{ github.events.inputs.extra_resolve_options }}
       test_command: python3 waf --run_tests --run_cmd="%s --no_fail"
-
-
-
-
-
-
-
-
-
-
-
-# Cancel previous in-progress when pushing: https://stackoverflow.com/a/72408109
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
-  cancel-in-progress: true
+name: MacOS C++ make-specs
+'on':
+  pull_request: null
+  push:
+    branches:
+    - master
+  schedule:
+  - cron: 0 1 * * *
+  workflow_dispatch:
+    inputs:
+      extra_resolve_options:
+        description: Extra Resolve Options
+        required: false