v0.21.2

Bug Fixes

• java: maven-surefire-plugin 2.22.2 (#1165) (2f1f7b9)
• depend on python-3.8-supporting version of cattrs (#1177) (e9b00c8), closes #913
• rosetta: properly escape C# comments as XML (#1184) (2bdc589)
• poor error message on scalar deserialization type mismatch (#1187) (fdf8927)

Features

• superchain: upgrade maven to 3.6.3 (#1205) (1398bef)