PMM-15146 prevent non official telemetry

[4nte]

https://jira.percona.com/browse/PMM-15146

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4412-83b4a00
Client docker: perconalab/pmm-client-fb:PR-4412-83b4a00
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4412-83b4a00
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4412-83b4a00.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4412-83b4a00&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4412-83b4a00.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/6480/

[JNKPercona]

Server docker: perconalab/pmm-server-fb:PR-4412-090575f
Client docker: perconalab/pmm-client-fb:PR-4412-090575f
Watchtower docker: perconalab/pmm-watchtower-fb:PR-4412-090575f
Client tarball: https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4412-090575f.tar.gz
Staging instance: https://pmm.cd.percona.com/job/pmm3-aws-staging-start/parambuild/?DOCKER_VERSION=perconalab/pmm-server-fb:PR-4412-090575f&CLIENT_VERSION=https://s3.us-east-2.amazonaws.com/pmm-build-cache/PR-BUILDS/pmm-client/pmm-client-PR-4412-090575f.tar.gz

[JNKPercona]

API tests have succeded: https://pmm.cd.percona.com/job/pmm3-api-tests/6537/