Upgrade to release 20.4 with the following improvements:
- Canonicalize version before comparing specifiers
- specifiers: don't rely on hashes for equality
- Add a NewType for normalized names
- Bug fixes
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>
