What's Changed
* Migrate CI to Github Actions by tobias-urdin in https://github.com/gnocchixyz/gnocchi/pull/1166
* Use policy.yaml by default by kajinamit in https://github.com/gnocchixyz/gnocchi/pull/1175
* Fix yaml deprecation warning by kajinamit in https://github.com/gnocchixyz/gnocchi/pull/1174
* fix mergify job names (backport 1173) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1176
* New CI fixes (backport 1185) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1190
* Add .eggs directory to gitignore (backport 1183) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1194
* doc: Remove colon for multi metric-id aggregates (backport 1189) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1192
* Use unittest.mock instead of third party mock (backport 1188) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1200
* When we use python3, it still find python2 (backport 1171) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1204
* Handle invalid values for getting all metrics. (backport 1197) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1205
* ci: fixes to get CI working (backport 1208) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1211
* ci: set timeout to 30 min for all jobs (backport 1209) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1212
* Remove ignore of H216 (backport 1207) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1213
* Build CI container image job for stable/4.4 branch by tobias-urdin in https://github.com/gnocchixyz/gnocchi/pull/1220
* Use CI image for stable/4.4 by tobias-urdin in https://github.com/gnocchixyz/gnocchi/pull/1221
* setuptools: Disable auto discovery (backport 1223) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1225
* Enable Swift tests (backport 1226) by mergify in https://github.com/gnocchixyz/gnocchi/pull/1227
**Full Changelog**: https://github.com/gnocchixyz/gnocchi/compare/4.4.1...4.4.2