[CHANGELOG] Prepare for v0.22.0 release#78

jaireddjawed merged 1 commit intomainhashicorp/vault-plugin-secrets-gcpkms:mainfrom

VAULT-39702/update/vault-plugin-secrets-gcpkms/v0.22.0hashicorp/vault-plugin-secrets-gcpkms:VAULT-39702/update/vault-plugin-secrets-gcpkms/v0.22.0Copy head branch name to clipboard