try mac arm

.github/workflows/build_osx.yml

@@ -20,16 +20,17 @@ env:
 jobs:
   build:
     name: Python ${{ matrix.python-version }}
-    runs-on: macos-latest
+    runs-on: ${{ matrix.os }}
 
     strategy:
       fail-fast: false
       max-parallel: 4
       matrix:
+        os: [ macos-12, macos-13, macos-latest]
         python-version: ['3.11', '3.12']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         submodules: true
 
@@ -49,9 +50,18 @@ jobs:
         python3 -m pip install wheel pip --upgrade
         python3 -m pip install -r requirements.txt
 
-    - name: build
+    - name: build_arm
+      if: runner.os == 'macos-latest'
       run: |
-        curl -Lo mkn https://github.com/mkn/mkn/releases/download/latest/mkn_osx
+        curl -Lo mkn https://github.com/mkn/mkn/releases/download/latest/mkn_arm_osx
+        chmod +x mkn
+        ./mkn -C lib build -g 0 -dtOa "-fPIC -std=c++17"
+
+
+    - name: build_x86
+      if: runner.os != 'macos-latest'
+      run: |
+        curl -Lo mkn https://github.com/mkn/mkn/releases/download/latest/mkn_x86_osx
         chmod +x mkn
         ./mkn -C lib build -g 0 -dtOa "-fPIC -std=c++17"