Merge pull request astropy#51 from bsipocz/CI_macos_update

CI: update macos version

Author: pllim

.github/workflows/ci_workflows.yml

@@ -14,7 +14,7 @@ concurrency:
 
 jobs:
   tests:
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@d68193b68216da64eafaa618f53c59f5d271c56e  # v1.14.0
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@9f1f43251dde69da8613ea8e11144f05cdea41d5 # v1.15.0
     with:
       envs: |
         - linux: codestyle
@@ -31,7 +31,7 @@ jobs:
         - linux: py312-test-devdeps
   publish:
     needs: tests
-    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@d68193b68216da64eafaa618f53c59f5d271c56e  # v1.14.0
+    uses: OpenAstronomy/github-actions-workflows/.github/workflows/publish_pure_python.yml@9f1f43251dde69da8613ea8e11144f05cdea41d5 # v1.15.0
     with:
       test_extras: test
       test_command: pytest $GITHUB_WORKSPACE/tests; pytest --arraydiff $GITHUB_WORKSPACE/tests