Build osx-arm64 installer natively and use macos-13 image for osx-64

.github/workflows/build_radioconda.yml

@@ -38,7 +38,7 @@ jobs:
             ARCH: ppc64le
             EMU_ARCH: ppc64le
             EMU_DISTRO: ubuntu_latest
-          - os: macos-latest
+          - os: macos-13
             PLATFORM: osx-64
             OS_NAME: MacOSX
             ARCH: x86_64
@@ -92,7 +92,7 @@ jobs:
           ls -lhR dist
 
       - name: Test installer (sh native)
-        if: (contains(matrix.OS_NAME, 'Linux') || contains(matrix.PLATFORM, 'osx-64')) && matrix.EMU_ARCH == null
+        if: (contains(matrix.OS_NAME, 'Linux') || contains(matrix.OS_NAME, 'MacOSX')) && matrix.EMU_ARCH == null
         shell: bash
         env:
           OS_NAME: ${{ matrix.OS_NAME }}
@@ -123,7 +123,7 @@ jobs:
             conda list
 
       - name: Test installer (pkg)
-        if: contains(matrix.PLATFORM, 'osx-64')
+        if: contains(matrix.OS_NAME, 'MacOSX')
         shell: bash
         env:
           OS_NAME: ${{ matrix.OS_NAME }}

buildenv.yaml

@@ -4,6 +4,7 @@ channels:
 platforms:
   - linux-64
   - osx-64
+  - osx-arm64
   - win-64
 dependencies:
   - anaconda-client