Upgrade to release 20.6.2:
- fix: xbr fixes
- fix: use cpy 3.8 for running flake in CI
- new: Ticket1392 internal attrs
- new: internal-only router attributes and hook for router to add
custom information
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
