bump v1.38.1

bump v1.38.0

bump v1.37.0

bump v1.36.0

update changelog

bump v1.34.0

bump v1.33.0

doc: improve doc

New helper collection: channel (samber#95)

* feat(channels): add ToChannel + Generator + Batch + BatchWithTimeout (WIP)

* feat: return duration of Batch**** helpers

* doc: improve BatchWithTimeout doc

* fix(BatchWithTimeout): replace time.After by time.NewTimer in order to prevent memory leak

* doc: improve BatchWithTimeout doc

Merge branch 'master' of github.com:samber/lo