MAINT: include macosx-arm64 openblas builds

Change away from Cirrus CI was made in numpy#29069.

Author: rgommers

.github/workflows/wheels.yml

@@ -46,7 +46,8 @@ jobs:
 
           # targeting macos >= 14. Could probably build on macos-14, but it would be a cross-compile
           - [macos-13, macosx_x86_64, accelerate]
-          - [macos-14, macosx_arm64, accelerate]  # always use accelerate
+          - [macos-14, macosx_arm64, openblas]
+          - [macos-14, macosx_arm64, accelerate]
           - [windows-2022, win_amd64, ""]
           - [windows-2022, win32, ""]
           - [windows-11-arm, win_arm64, ""]