Bump github.com/nats-io/nkeys from 0.4.5 to 0.4.6 (#1455)

Bumps [github.com/nats-io/nkeys](https://github.com/nats-io/nkeys) from 0.4.5 to 0.4.6.
- [Release notes](https://github.com/nats-io/nkeys/releases)
- [Changelog](https://github.com/nats-io/nkeys/blob/main/.goreleaser.yml)
- [Commits](nats-io/nkeys@v0.4.5...v0.4.6)

---
updated-dependencies:
- dependency-name: github.com/nats-io/nkeys
  dependency-type: indirect
...

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