[ci skip] Ukrainian message translation

Fix PHPDoc [skip ci]

[skip ci] Updated polish docs(README.md) and framework messages

[skip ci] Update finnish translation

fixes #5147
[ci skip]

fixes #5155

fixes #5147

[ci skip] Updated RUS TRANSLATION rest-rate-limiting.md

[skip ci] [NL] Updated translations

Fixes #5106: Refactored query caching to not load cache component when query caching is not used at all.

caching cubrid breaks the build on a regular basis and has nearly no speedup

- use default application formatting for the date value
- auto adjust to application language and format setting changes
- be consistent with formatter and date validator

fixes #1551

Fixes #3197: Using `ActiveQuery::indexBy()` may cause relational AR queries to generate incorrect relational results

fixes #2593

Чуть улучшил ясность написанного.

Fixes #5143: yii\bootstrap\ActiveField::label() should not encode label if it is explicitly specified. [skip ci]

feature is not reliable

fixes #5136

fixes #4989

Enhances `normalizeDateTimeValue` to return a DateTime object instead of a converted double value, that fails. The DateTime object input is supported by 32 bit, 64 bit, as well as the `IntlDateFormatter` to format all years. (including fixing of the Y2K38 bug). Fixes issue in #4989.

close #5000

[ci skip] Update User.php

- https://github.com/blog/1892-third-annual-data-challenge-winners
- http://issuestats.com/github/yiisoft/yii2