Roll Dart SDK from 895e11f to f6f4b36 (1 revision) (#33199)

Author: skia-flutter-autoroll

DEPS

@@ -45,7 +45,7 @@ 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': '895e11f92a478c7279c19ae473e2033f6d7e4194',
+  'dart_revision': 'f6f4b36e8f4d6fc91e064b63b935209ef4731712',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py