[workflow] Update Runner image to macOS 15

Author: leptos-null

.github/workflows/test.yml

@@ -5,10 +5,10 @@ on:
 
 jobs:
   test:
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Test
         run: |