chore(release): 6.18.1 [skip ci]

## [6.18.1](v6.18.0...v6.18.1) (2023-09-11)

### Bug Fixes

* _ UploadPart opt.headers does not use es6 ([#1248](#1248)) ([e2872a0](e2872a0))
* upgrade urllib to 2.41.0 avoid deps vm2 ([#1239](#1239)) ([7656d6f](7656d6f))

Author: semantic-release-bot