build: upgrade github actions platform config

Author: LastLeaf

.github/workflows/vscode-extension.yml

@@ -19,7 +19,7 @@ jobs:
           - os: ubuntu-24.04-arm
             platform: linux
             arch: arm64
-          - os: macos-13
+          - os: macos-15
             platform: darwin
             arch: x64
           - os: macos-latest