Updated version files for release
--HG-- branch : heptapod-0-21
This instance will be upgraded to Heptapod 0.31.0rc on 2022-05-19 at 11:00 UTC+2 (a few minutes of down time)
--HG-- branch : heptapod-0-21
mentioned in commit f4691c00fdad
·mentioned in commit f4691c00fdad