[rush] Include seconds in generated change file names so repeated "rush change" runs do not collide - #5818

[rush] Include seconds in generated change file names so repeated "rush change" runs do not collide#5818

Ian Clanton-Thuon (iclanton) merged 7 commits into

microsoft:mainmicrosoft/rushstack:mainfrom

LeSingh1:fix/change-file-timestamp-secondsLeSingh1/rushstack:fix/change-file-timestamp-secondsCopy head branch name to clipboard