Revisions to Unfreezing Clients via Governance ADR (#8343)

* revisions to adr 26 decision

* Update docs/architecture/adr-026-ibc-client-recovery-mechanisms.md

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>

Co-authored-by: Federico Kunze <31522760+fedekunze@users.noreply.github.com>
Co-authored-by: Christopher Goes <cwgoes@pluranimity.org>