Add metrics: monthly casual users and active users (#936)

* add DB migration

* Add metrics monthly casual users and active users

* add new metrics to WikiDailyMetrics::$metricNames as well

* fix migration reversal code

* update changelog

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Co-authored-by: dena <dena@wikimedia.de>

Add POST endpoint for wiki profiles (#927)

* Add POST endpoint for Wiki profiles

* Require a non-empty JSON profile

* Update CHANGELOG.md

 Extend wiki details with profile data (#931)

* Extend wiki details with profile data

* Update CHANGELOG.md

Set specific Helm and Helmfile versions (#929)

* Set specific Helm and Helmfile versions

* Update CHANGELOG.md

update changelog (#926)

changelog (#925)

Release 10x.19.0 (#924)

Release 10x.18.11 (#921)

Update CHANGELOG.md for update 10x.18.10 (#915)

Changelog 10x.18.9 (#910)