Update more-itertools from 4.1.0 to 4.2.0 (#3576)
Update more-itertools from 4.1.0 to 4.2.0 (#3576)


edmorley/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder