deps!: update multiformats to version 11.x.x

[email protected] shipped with a [breaking change to the CID class](multiformats/js-multiformats#230).

This change updates all dependencies to use [email protected].

BREAKING CHANGE: instances of the CID class returned by this module are now from [email protected]

Co-authored-by: achingbrain <[email protected]>

Author: whizzzkid