add update info to changelog
MODIFY
docs/Changelog.md
docs/Changelog.md
- afl-showmap/afl-cmin
- `-t none` now translates to `-t 120000` (120 seconds)
- unicorn_mode updated
+ - updated rust custom mutator dependencies and LibAFL custom mutator
- several minor bugfixes
### Version ++4.04c (release)

add update info to changelog