Explicitly test on x86-64

Author: rhpvorderman

.github/workflows/ci.yml

@@ -64,7 +64,7 @@ jobs:
         include:
           - os: "macos-14"  # For m1 macos
             python-version: "3.12"
-          - os: "macos-latest"  # for x86 macos
+          - os: "macos-13"  # for x86 macos
             python-version: "3.8"
           - os: "windows-latest"
             python-version: "3.8"