add support for servers on operation level for 3.1 (swaggo#1923)

new release (swaggo#1901)

Update version.go (swaggo#1751)

yaml.v3 security patch (swaggo#1664)

V2.0.0-rc3

introduced due to accident push of tags

fix bug: enums of explicit type conversion (swaggo#1556)

Signed-off-by: sdghchj <sdghchj@qq.com>

docs: Add Portuguese translation of readme (swaggo#1530)

chore: drop support for go 1.16 (swaggo#1518)

* chore: drop support for go 1.16

* chore: fmt code

* chore: increment version.go

* chore: update golang.org/x/tools