Add macOS 13 runner to Github workflows

Change-Id: Ied8e255bb5d8fbeaa0c43c6af22775dda8aad1e8
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 5d8b20e..8fe63ad 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -18,6 +18,7 @@
         os:
           - macos-11
           - macos-12
+          - macos-13
         build_type:
           - Release
         lib: