Proposal: require review rules for telemetry

Hi, developers!

Background

The collection of telemetry data is related to PingCAP’s privacy policy for our customers. Therefore, the telemetry files need to be reviewed by the legal, security, and telemetry framework team when it is modified.

TiDB Telemetry

For TiDB, the following folder is issued:

changes on this folder should be reviewed by anyone of:

@lucklove
@breeswish
@xukai

In order to add the rules in review PR, we plan to add the review required bot in pingcap/tidb repos.