enable lint prefer_interpolation_to_compose_strings (#83407)

packages/flutter_tools/lib/src/ios/xcodeproj.dart

diff --git a/packages/flutter_tools/lib/src/ios/xcodeproj.dart b/packages/flutter_tools/lib/src/ios/xcodeproj.dart
index 481fbd7..78b2cc0 100644
--- a/packages/flutter_tools/lib/src/ios/xcodeproj.dart
+++ b/packages/flutter_tools/lib/src/ios/xcodeproj.dart
@@ -373,7 +373,7 @@
     if (buildInfo.flavor == null) {
       return baseConfiguration;
     }
-    return baseConfiguration + '-$scheme';
+    return '$baseConfiguration-$scheme';
   }
 
   /// Checks whether the [buildConfigurations] contains the specified string, without