Try macos-14 as well

Author: NathanDunfield

.github/workflows/macos.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-12, macos-13-arm64]
+        os: [macos-12, macos-13, macos-14]
 
     steps:
       - uses: actions/checkout@v4