Happy bmo push day!

the following changes have been pushed to bugzilla.mozilla.org:

(tag: https://github.com/mozilla-bteam/bmo/tree/release-20210517.1)

https://bugzil.la/1690202 : Automatically set severity to S2 for all new bugs with the crash keyword
https://bugzil.la/1705743 : Make frequently reported bugs more obvious for enter bug form and duplicates.cgi more intuitive
https://bugzil.la/1708052 : Create edittriageowners group allowing specific users to edit triage owners of components but nothing else