BLD: Publish for macOS Python 3.9

Author: mferrera

Diff for: .github/workflows/publish.yml

@@ -24,9 +24,6 @@ jobs:
           - [windows-latest, win_amd64]
           - [macos-13, macosx_x86_64]  # macos-13 is the last x86-64 runner
           - [macos-latest, macosx_arm64]  # macos-latest is always arm64 going forward
-        exclude:
-          - os_arch: [macos-latest, macosx_arm64]
-            python: ['3.9', cp39]
     env:
       CIBW_BUILD: ${{ matrix.python[1] }}-${{ matrix.os_arch[1] }}