PMM-15266-bring-back-update-status-endpoint

[ademidoff]

https://jira.percona.com/browse/PMM-15266

• PMM-15266 Bring back the update status endpoint percona/pmm#5733

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4508-eb76dcb
Client docker: perconalab/pmm-client-fb:PR-4508-eb76dcb
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4508-eb76dcb
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4508-eb76dcb.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4508-eb76dcb&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4508-eb76dcb.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/6939/

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4508-465faa8
Client docker: perconalab/pmm-client-fb:PR-4508-465faa8
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4508-465faa8
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4508-465faa8.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4508-465faa8&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4508-465faa8.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/6943/