Update build.yaml

.github/workflows/build.yaml

@@ -42,7 +42,7 @@ jobs:
           submodules: true
       - uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: latest
+          xcode-version: '15.4'
       - name: "Run script"
         run: |
           export OS="mac"