Bump to version 1.9.0-rc.2

[even1024]

[no ci]

Bump request

• [x] PR name follows the pattern Bump version to ...
• [ ] add brackets [ ] for 'skip ci' and put it into the body
• [x] milestone is linked to PR
• [x] all tickets are closed inside the relevant milestone

[AlexeyGirin]

Nothing to test