Roll Flutter Engine from 0476141a016f to 5981a3c68e70 (1 revision) (#140552)

https://github.com/flutter/engine/compare/0476141a016f...5981a3c68e70

2023-12-22 skia-flutter-autoroll@skia.org Roll Dart SDK from eec6568c209f to 25961234c1bc (1 revision) (flutter/engine#49373)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC jimgraham@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-0476141a016f9fdcaaf4060ffe7ea55860fc4243
+5981a3c68e705e9773c8d746bcba3071cf6abfba