Fix typo in latest changelog release notes
## Unreleased
- Added the ability to replace a release up to one hour after it is published using `gleam publish --replace`
-- All commands that authenticate using the `ApiKeyCommand` trait (currently `gleam publish`, `gleam docs pulish`, `gleam docs remove`, `gleam hex retire`, and `gleam hex unretire`) and now have access to environment variables for username (default key `HEXPM_USER`) and password (default key `HEXPM_PASS`)
+- All commands that authenticate using the `ApiKeyCommand` trait (currently `gleam publish`, `gleam docs publish`, `gleam docs remove`, `gleam hex retire`, and `gleam hex unretire`) and now have access to environment variables for username (default key `HEXPM_USER`) and password (default key `HEXPM_PASS`)
- The `gleam publish` command gains the `-y/--yes` flag to disable the "are you sure" prompt
## v0.21.0 - 2022-04-24
