ci: fix build workflow — remove deprecated setup-xcode action, update to macos-15

Author: kochj23

.github/workflows/build.yml

@@ -8,29 +8,24 @@ on:
 
 jobs:
   build:
-    runs-on: macos-14
-    
+    runs-on: macos-15
+
     steps:
     - uses: actions/checkout@v4
-    
-    - name: Set up Xcode
-      uses: maxim-lobanov/setup-xcode@v1
-      with:
-        xcode-version: latest-stable
-    
+
     - name: Build
       run: |
         XCODEPROJ=$(find . -name "*.xcodeproj" -maxdepth 2 | head -1)
         if [ -z "$XCODEPROJ" ]; then
           echo "No Xcode project found"
           exit 1
         fi
-        
+
         SCHEME=$(xcodebuild -list -project "$XCODEPROJ" 2>/dev/null | awk '/Schemes:/{found=1; next} found && NF{print; exit}' | xargs)
         if [ -z "$SCHEME" ]; then
           SCHEME=$(basename "$XCODEPROJ" .xcodeproj)
         fi
-        
+
         echo "Building scheme: $SCHEME"
         xcodebuild build \
           -project "$XCODEPROJ" \