Baseplate

This is a cherry-pick of https://github.com/reddit/baseplate.py/pull/813 into the v2.5.4 release.

**Full Changelog**: https://github.com/reddit/baseplate.py/compare/v2.5.4...v2.5.4-1

What's Changed
* upgrade(actions): upgrade checkout and setup-python (788) by KTAtkinson in https://github.com/reddit/baseplate.py/pull/791
* Revert "Event-Publisher Flush Queue on Shutdown (767)" by KTAtkinson in https://github.com/reddit/baseplate.py/pull/790


**Full Changelog**: https://github.com/reddit/baseplate.py/compare/v2.5.9...v2.5.10

**Full Changelog**: https://github.com/reddit/baseplate.py/compare/v2.5.8...v2.5.9

**Full Changelog**: https://github.com/reddit/baseplate.py/compare/v2.5.8...v2.5.9-beta20230316-1

https://github.com/reddit/baseplate.py/pull/752

**Full Changelog**: https://github.com/reddit/baseplate.py/compare/v2.5.8-beta.3...v2.5.9-beta.1

Fixes
* Fix accessing non-existent Span object by zerozez in https://github.com/reddit/baseplate.py/pull/754
* Reduce cardinality of http_server_active_requests by SuperQ in https://github.com/reddit/baseplate.py/pull/745

Changes
* This will automatically sum http server runtime metrics, instead of each metric having tags indicating process ID there will be one metric which sums all metrics across IDs.

New Contributors
* zerozez made their first contribution in https://github.com/reddit/baseplate.py/pull/754

**Full Changelog**: https://github.com/reddit/baseplate.py/compare/v2.5.7...v2.5.8