[flutter] Bump chrome to 81.0.4044.138

https://github.com/flutter/flutter/issues/56042

Change-Id: Ic282ec2fc6ca3a44a402b8e21e6cb21e080d043a
Reviewed-on: https://dart-review.googlesource.com/c/recipes/+/148534
Reviewed-by: Martin Kustermann <kustermann@google.com>
Reviewed-by: Karl Klose <karlklose@google.com>
2 files changed