chore(deps): update dependency macos to v15 (#8278)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/shaders.yml

@@ -67,7 +67,7 @@ jobs:
 
   naga-validate-macos:
     name: "Validate: MSL"
-    runs-on: macos-14
+    runs-on: macos-15
     steps:
       - uses: actions/checkout@v5