PMM-15188 - encryption fix

[theTibi]

https://jira.percona.com/browse/PMM-15188

• PMM-15188 Fix encryption key rotation percona/pmm#5587

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4453-5d9c112
Client docker: perconalab/pmm-client-fb:PR-4453-5d9c112
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4453-5d9c112
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4453-5d9c112.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4453-5d9c112&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4453-5d9c112.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/6617/

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4453-ac6f1d2
Client docker: perconalab/pmm-client-fb:PR-4453-ac6f1d2
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4453-ac6f1d2
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4453-ac6f1d2.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4453-ac6f1d2&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4453-ac6f1d2.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/6920/