It has been confirmed that Liam Lawson has been dropped to the Racing Bulls team with Yuki taking the 2nd Red Bull Racing seat #F1

https://www.formula1.com/en/latest/article/breaking-tsunoda-to-replace-lawson-at-red-bull-from-japanese-gp-as-new.49qawI5Q4YYPhhMJpHqUiO