[fix] #206 빌드 테스트 xcode 버전 변경

Author: ShapeKim98

.github/workflows/build_test.yml

@@ -20,7 +20,7 @@ jobs:
     - name: Set up Xcode
       uses: maxim-lobanov/setup-xcode@v1
       with:
-        xcode-version: '16.1'
+        xcode-version: latest-stable
 
     - uses: shimataro/ssh-key-action@v2
       with: