Tag release-2.2.1-alpha

Merge branch 'release-2.2-pull' - 2.2.1-alpha (#1380)

* release-2.2-pull:
  Bump version to 2.2.1
  Update ChangeLog and whatsnew for 2.2.1
  Update contributors (for 2.2 release)

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Commit fe9dc8f6
Author Azat Khuzhin
Date 2023-05-21T08:54:07