* core: get PR number from artifacts on completed testing workflow
* core: split merge and upload blob-report action into a separate file
* ci: do not remove artifact files
* core: create custom reporter for CI
* core: add step to remove unnecessary artifacts
* core: remove upload PR data step
* core: add locales to path-ignore, change matrix variable set way and add condition to avoid false run failure
* core: update emoji for in progress comment
