Add SecretUpdate method to client
Add SecretUpdate method to client

closes #28678

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)

Update cli/command/service/update_test.go

Fixes test build error:

  secretAPIClientMock does not implement "github.com/docker/docker/client".SecretAPIClient (missing SecretUpdate method)

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)

docker/cli,dnephin/cli,e11137/cli,riyazdf/cli,cpuguy83/cli,dnephin/cli,ashfall/cli,redpanda/cli,allencloud/cli,e11137/cli,thaJeztah/cli,Zebrilee/cli,thaJeztah/cli,riyazdf/cli,redpanda/cli,ashfall/cli,allencloud/cli,Zebrilee/cli,docker/cli,gdevillele/cli,cpuguy83/cli