* rewrite of ProposeExit
# Conflicts:
# validator/accounts/v2/accounts_exit.go
* translate todos to English
* use node client to calculate current epoch
* resolve dependency cycle
* add missing dependencies
* changed required epochs error message
* fix ProposeExit tests
* remove unused metrics
* simplify public-keys flag name
* organize CLI function
* fix incorrect list of exited keys
* fix formatting of non-exited keys
* add exit root to span attributes
* use errors instead of logs
* log info when all exits failed
* do not log stack trace for non-critical errors
* modify test asserts
* use standard way of displaying errors
* remove todo
* add missing function to wallet mock
* gazelle
* gazelle after stash
* move creating clients to separate function
* gazelle