Bump rustls-webpki from 0.103.5 to 0.103.10 in /tests/hello-rustls

Bumps [rustls-webpki](https://github.com/rustls/webpki) from 0.103.5 to 0.103.10.
- [Release notes](https://github.com/rustls/webpki/releases)
- [Commits](rustls/webpki@v/0.103.5...v/0.103.10)

---
updated-dependencies:
- dependency-name: rustls-webpki
  dependency-version: 0.103.10
  dependency-type: indirect
...

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Author: dependabot[bot]