[flutter_releases] Flutter stable 3.10.7 Engine Cherrypicks (#44010)

# Flutter stable 3.10.7 Engine

## Scheduled Cherrypicks

- Roll dart revision: dart-lang/sdk@53cf56f86

Author: itsjustkevin

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': '8d5b878d0a8a06326227cde88221eea7e15ee0c4',
+  'dart_revision': '53cf56f86114e95bfcdf974948be3a7755ca91e2',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py