Not sure who is the "internal"/WMF owner of our usage of https://github.com/liuggio/statsd-php-client
But we need to decide what to do about it's future.
6.5 years since any commits to master. 7.5 years since a release.
Issues like T326386: Use of "self" in callables is deprecated in php8.2 from liuggio/statsd-php-client package will be a problem for us eventually... There's no massive rush, but it is unclear when this won't just be a deprecation inside PHP, and will be an exception/similar.
Lego asked for a new release in https://github.com/liuggio/statsd-php-client/issues/55 in October 2018 (for T110415: vendor/liuggio - file permissions trigger debian lintian warnings), to no response.
Do we want to fork? Find a replacement library?
A quick look suggests https://packagist.org/packages/league/statsd / https://github.com/thephpleague/statsd may be a candidate, as is actively maintained...