Use updated sigstore/sigstore KMS clients with `HashFunc` method#517

Draft

malancas wants to merge 15 commits intosigstore:mainfrom malancas:kms-client-with-hashfunc-method

+317-158

Commits on Sep 19, 2023

used signer wrapper interfaces to expose the hashfunc method
malancas
committed

Commits on Dec 5, 2023

update replaced module
malancas
committed

Commits on Dec 6, 2023

use updated kms client code
malancas
committed