Add release notes for 0.20.2 (#53)

wrong syntax for contains

re-add tests & benchmarks, push docs only for prod releases

try another syntax

fix artifact name

[auto] Release 0.20.2-rc.0

[auto] Release 0.20.1

[auto] Release 0.20.0

[auto] Release 0.19.0

[auto] Release 0.18.0