Upgrade mac deployment target

Author: znicholls

.github/workflows/build-wheels.yaml

@@ -29,7 +29,7 @@ jobs:
         pip install -r {project}/requirements-only-tests-min-locked.txt
       CIBW_TEST_COMMAND: >-
         pytest {project}/tests
-      MACOSX_DEPLOYMENT_TARGET: "10.12"
+      MACOSX_DEPLOYMENT_TARGET: "13.0"
       # # On Windows, we explicitly request MSVC compilers (as GitHub Action runners have
       # # MinGW on PATH that would be picked otherwise), switch to a static build for
       # # runtimes, but use dynamic linking for `VCRUNTIME140.dll`, `VCRUNTIME140_1.dll`,