Roll Dart SDK from 512513bc574f to a32e24068a6c (1 revision) (flutter#40023)

Roll Dart SDK from 512513bc574f to a32e24068a6c (1 revision)

Author: skia-flutter-autoroll

DEPS

@@ -48,7 +48,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '512513bc574f0136afb8df5d5707780d3e8f5747',
+  'dart_revision': 'a32e24068a6cbfddc1697f907e5bcdec42887966',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py