feat: support weekly fix sessions (#350)

* Issue 332: allow to skip orig time check for admin messages

* 322: create builder for verification config to maintain version
compatibility in future

* Add possibility to skip upload to codecov

* fix: change log to include proper PR

* Remove config and just skip verififcation for reset messages

* Feat: implement weekly session schedule

* fix: Make same style for calculating start and end

Author: Vlad-Bukatin