add changelog for 2.2.2

[tomwojcik]

No description provided.

[codecov]

Codecov Report

Merging #780 (e8aba5e) into master (0fd3a95) will not change coverage.
The diff coverage is n/a.

❗ Current head e8aba5e differs from pull request most recent head 6ac7e97. Consider uploading reports for the commit 6ac7e97 to get more accurate results

@@           Coverage Diff           @@
##           master     #780   +/-   ##
=======================================
  Coverage   99.02%   99.02%           
=======================================
  Files          26       26           
  Lines         821      821           
=======================================
  Hits          813      813           
  Misses          8        8           

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