Swift: Bump github.com/apple/swift-nio-ssl

Bumps the swift-dependencies group with 1 update: [github.com/apple/swift-nio-ssl](https://github.com/apple/swift-nio-ssl).


Updates `github.com/apple/swift-nio-ssl` from 2.28.0 to 2.29.0
- [Release notes](https://github.com/apple/swift-nio-ssl/releases)
- [Commits](apple/swift-nio-ssl@2.28.0...2.29.0)

---
updated-dependencies:
- dependency-name: github.com/apple/swift-nio-ssl
  dependency-type: indirect
  update-type: version-update:semver-minor
  dependency-group: swift-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]