Bump node from 22.18.0 to 22.21.1 in /Auth/LearningHub.Nhs.Auth

Bumps [node](https://github.com/aredridel/node-bin-gen) from 22.18.0 to 22.21.1.
- [Commits](https://github.com/aredridel/node-bin-gen/commits)

---
updated-dependencies:
- dependency-name: node
  dependency-version: 22.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]