Update meson_ci.yml

Author: dreamer-coding

.github/workflows/meson_ci.yml

@@ -60,11 +60,8 @@ jobs:
         run: meson test -C builddir_msvc_${{ matrix.msvc_version }} -v --test-args='show --mode tree --verbose ci --result fail'
 
   build_macosx:
-    name: Building on macOS with Xcode ${{ matrix.xcode_version }}
+    name: Building on macOS
     runs-on: macos-latest
-    strategy:
-      matrix:
-        xcode_version: ["15.2", "15.3"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -76,12 +73,8 @@ jobs:
         with:
           python-version: '3.12'
 
-      - name: Install Xcode
-        run: sudo xcode-select --switch /Applications/Xcode_${{ matrix.xcode_version }}.app
-  
       - name: Install Meson and Ninja
-        run: |
-          python -m pip install meson ninja
+        run: python -m pip install meson ninja
 
       - name: Configure
         run: meson setup builddir --fatal-meson-warnings -Dwerror=true -Dwith_test=enabled -Dwarning_level=3