Bump github.com/nats-io/nats-server/v2 from 2.9.20 to 2.9.23

Bumps [github.com/nats-io/nats-server/v2](https://github.com/nats-io/nats-server) from 2.9.20 to 2.9.23.
- [Release notes](https://github.com/nats-io/nats-server/releases)
- [Changelog](https://github.com/nats-io/nats-server/blob/main/.goreleaser.yml)
- [Commits](nats-io/nats-server@v2.9.20...v2.9.23)

---
updated-dependencies:
- dependency-name: github.com/nats-io/nats-server/v2
  dependency-type: indirect
...

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

Author: dependabot[bot]