Update workalendar to 4.2.0#133

pyup-bot wants to merge 1 commit intomastertunnell/time_range:masterfrom

pyup-update-workalendar-2.3.1-to-4.2.0tunnell/time_range:pyup-update-workalendar-2.3.1-to-4.2.0Copy head branch name to clipboard