* babe: support online configuration upgrades
* Switch to use NextConfigDescriptor instead of changing runtime interface
* Fix tests
* epoch-changes: map function that allows converting with different epoch types
* Add migration script for the epoch config change
* Fix migration tests
* Fix migration: Epoch should be EpochV0
* Update client/consensus/babe/src/lib.rs
Co-Authored-By: André Silva <123550+andresilva@users.noreply.github.com>
* Fix new epochChanges version
* Fix unused imports
Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>