feat [Logger]: (static) addOutputListener

[FMotalleb]

trafficstars

re added addOutputListener used in logger_flutter updated dependencies:

• test ^1.16.8 -> ^1.21.3
• padantic ^1.11.0 -> flutter_lints ^2.0.1

note: tests passed. I will make another P.R. for logger_flutter after some tests.

[bradintheusa]

Any update on merging this?

[FMotalleb]

@bradintheusa use https://pub.dev/packages/logger_flutter_fork and https://pub.dev/packages/logger_fork