Build on macOS 12

This should build on older versions, so long as you have llvm 13. But the homebrew version of llvm the macos 11 runner has only includes x86 dylibs which cant be linked against when building for arm.

.github/workflows/python-package.yml

@@ -48,7 +48,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ macos-11, windows-latest, ubuntu-latest ]
+        os: [ macos-12, windows-latest, ubuntu-latest ]
         arch: [ [ 'x86', 'x86_64', 'AMD64', 'x86_64' ] ] #[suffix, mac, windows, linux] arch names
         include:
           - os: ubuntu-latest
@@ -70,13 +70,6 @@ jobs:
           wget https://pileof.rocks/openmp-13.0.0-darwin21-Release.tar.gz
           sudo tar fvxz openmp-*.tar.gz -C /
 
-      - name: Select LLVM 13
-        if: runner.os == 'macOS'
-        run: |
-          echo "CC=$(brew --prefix llvm)/bin/clang" >> $GITHUB_ENV
-          echo "CXX=$(brew --prefix llvm)/bin/clang" >> $GITHUB_ENV
-          echo "LDFLAGS=-L$(brew --prefix)/opt/llvm/lib -Wl,-rpath,$(brew --prefix)/opt/llvm/lib" >> $GITHUB_ENV
-
       - name: Install QEMU
         # install QEMU if building for arm linux
         uses: docker/setup-qemu-action@v2
@@ -87,7 +80,7 @@ jobs:
       - name: Build wheels
         uses: pypa/cibuildwheel@2.5.0
         env:
-          MACOSX_DEPLOYMENT_TARGET: "11"
+          MACOSX_DEPLOYMENT_TARGET: "10.9"
           CIBW_ARCHS_LINUX: ${{ matrix.arch[3] }}
 
       - name: Upload Wheels