Update macOS

Author: backslash-f

.github/workflows/swift.yml

@@ -4,9 +4,7 @@ on: [push]
 
 jobs:
   test:
-    runs-on: macOS-latest
-    env:
-      DEVELOPER_DIR: /Applications/Xcode_15.1.app/Contents/Developer
+    runs-on: macos-13.0
     steps:
       - uses: actions/checkout@v4
       - name: Run Tests