New upstream version 1.5.1

.github/PULL_REQUEST_TEMPLATE.md

.github/workflows/test.yml

.mailmap

.travis.yml

AUTHORS

CHANGELOG.md

README.md

fen.go

fsnotify.go

fsnotify_test.go

go.mod

go.sum

inotify.go

inotify_poller.go

inotify_poller_test.go

inotify_test.go

integration_test.go

kqueue.go

open_mode_bsd.go

open_mode_darwin.go