add macos-14 CI

Author: cielavenir

.github/workflows/ci.yml

@@ -67,7 +67,9 @@ jobs:
           - "pypy-3.10"
         os: ["ubuntu-latest"]
         include:
-          - os: "macos-latest"
+          - os: "macos-13"
+            python-version: 3.8
+          - os: "macos-14"
             python-version: 3.8
           - os: "windows-latest"
             python-version: 3.8
@@ -132,7 +134,7 @@ jobs:
         shell: bash -l {0}
     strategy:
       matrix:
-        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
+        os: ["ubuntu-latest", "macos-13", "macos-14", "windows-latest"]
         python_version: [ "python" ]
         include:
           - os: "ubuntu-latest"