Bump flask from 2.1.3 to 2.2.1 (#2062)
Bump flask from 2.1.3 to 2.2.1 (#2062)

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
pajlada/tyggbot,pajlada/tyggbot,pajlada/tyggbot,pajlada/tyggbot