chore(deps): bump github.com/m-lab/ndt-server from 0.20.20 to 0.21.0

[dependabot[bot]]

Bumps github.com/m-lab/ndt-server from 0.20.20 to 0.21.0.

Release notes

Sourced from github.com/m-lab/ndt-server's releases.

v0.21.0

What's Changed

• Update go version to 1.20 by @​cristinaleonr in m-lab/ndt-server#394
• Add optional eventsocket Server to ndt-server by @​stephen-soltesz in m-lab/ndt-server#396
• Fix: deterministic check for FlowDeleted by @​stephen-soltesz in m-lab/ndt-server#397

Full Changelog: https://github.com/m-lab/ndt-server/compare/v0.20.20...v0.21.0

Commits

• 18e4fa9 Fix: deterministic check for FlowDeleted (#397)
• ea3439c Add optional eventsocket Server to ndt-server (#396)
• b3bde0b Update go version to 1.20 (#394)
• See full diff in compare view

You can trigger a rebase of this PR by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)