third step of go module fix

big v2 refactor

fixing gomod mess with v2

Update redis lock connection string parsing. (RichardKnop#656)

fix: repurpose RichardKnop#652

fix: fix failed task retry repeated when there are multi workers (Ric…

…hardKnop#646)

Co-authored-by: liaojie.lj <[email protected]>

fix: update github.com/go-redsync/redsync to v4.0.4

fix: fix redis issues (RichardKnop#626)

* fix: fix redis issues

* fix: fix examples

v1/common/broker.go: add read lock for registerdTaskNames (RichardKno…

…p#623)

chore: update dependencies (RichardKnop#618)