debug: make sure macos-14 fails like macos-15

The idea is that test failures are related to the architecure: ARM vs. Intel previously.

Author: DimitriPapadopoulos

.github/workflows/ci.yml

@@ -162,7 +162,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.11"]
-        runs-on: [ubuntu-latest, macos-latest, windows-latest]
+        runs-on: [ubuntu-latest, macos-14, windows-latest]
 
     steps:
       - uses: actions/checkout@v5