* Explore: Adds support for new loki 'start' and 'end' params for labels endpoint
Also initializes absoluteRange when explore is initialized
Closes#16788
* Explore: Dispatches updateTimeRangeAction instead of passing absoluteRange when initializing
Also removes dependency on sinon from loki language provider test
* Loki: Refactors transformation of absolute time range to URL params into small utility function
* Makes use of rangeToParams() util function in loki language provider test
Also updates LanguageProvider.request() interface so that url should be type string, and adds optional params argument
* Chore: Remove implicit anys from ResultProcessor and tests
* Chore: Removes implicit anys for /loki/**/*.ts
* Chore: Removes implicit anys for prometheus/**/*
* Migrated loki syntax and labels logic to useLokiSyntax hook
* Enable loki labels refresh after specified interval has passed
* Enable periodic loki labels refresh when labels selector is opened
* Fix prettier
* Add react-hooks-testing-library and disable lib check on typecheck
* Add tests for loki syntax/label hooks
* Move tsc's skipLibCheck option to tsconfig for webpack to pick it up
* Set log labels refresh marker variable when log labels fetch start
* Fix prettier issues
* Fix type on activeOption in useLokiLabel hook
* Typo fixes and types in useLokiSyntax hook test fixes
* Make sure effect's setState is not performed on unmounted component
* Extract logic for checking if is component mounted to a separate hook
