fix: move deprecated_member_use ignore comment to correct line

The ignore comment needs to be on the line where the deprecated parameter
is actually used, not above the return statement.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: ened

workmanager/lib/src/workmanager_impl.dart

@@ -126,8 +126,8 @@ class Workmanager {
         'Use WorkmanagerDebug handlers instead. This parameter has no effect.')
     bool isInDebugMode = false,
   }) async {
-    // ignore: deprecated_member_use
     return _platform.initialize(callbackDispatcher,
+        // ignore: deprecated_member_use
         isInDebugMode: isInDebugMode);
   }