chore: Update macOS runner version to 15

Signed-off-by: Roberto Raggi <[email protected]>

Author: robertoraggi

.github/workflows/ci.yml

@@ -130,7 +130,7 @@ jobs:
           retention-days: 1
 
   build-macos:
-    runs-on: macos-14
+    runs-on: macos-15
 
     steps:
       - uses: actions/checkout@v4