[server] don't allow more than three usages

[svenefftinge]

Description

Adds checks for phone numbers being used by abusers or used too often (>3)

Related Issue(s)

Fixes #12883

How to test

Release Notes

Documentation

Werft options:

• [ ] /werft with-local-preview If enabled this will build install/preview
• [x] /werft with-preview
• [ ] /werft with-integration-tests=all Valid options are all, workspace, webapp, ide

[svenefftinge]

/werft run

:+1: started the job as gitpod-build-sefftinge-limit-phone-number-re-12883.3 (with .werft/ from main)

[svenefftinge]

/hold

[svenefftinge]

/unhold