v2.21.0

What's Changed

• Bump flowfuse/github-actions-workflows from 0.40.0 to 0.42.0 by @dependabot[bot] in #186
• Bump actions/checkout from 4.2.2 to 5.0.0 by @dependabot[bot] in #187
• Release 2.21.0 by @joepavitt in #189

Full Changelog: v2.20.0...v2.21.0