Update macos runner version

Author: anuraaga

.github/workflows/release-testing.yaml

@@ -15,7 +15,7 @@ permissions:
 jobs:
   # Full build of the Mac assets
   build-darwin:
-    runs-on: macos-12
+    runs-on: macos-14
     steps:
       - uses: actions/checkout@v4
       - name: Set Version