update workflow

Author: mattip

.github/workflows/posix.yml

@@ -70,12 +70,12 @@ jobs:
         submodules: recursive
         fetch-depth: 0
 
-    - uses: maxim-lobanov/setup-xcode@v1.6.0
+    - uses: maxim-lobanov/setup-xcode@v1.7.0
       if: ${{ matrix.os == 'macos-latest' }}
       with:
         xcode-version: '16.0'
 
-    - uses: maxim-lobanov/setup-xcode@v1.6.0
+    - uses: maxim-lobanov/setup-xcode@v1.7.0
       if: ${{ matrix.os == 'macos-14' }}
       with:
         xcode-version: '15.4'