Release v0.6.1

What's Changed

• Bump google.golang.org/grpc from 1.52.0 to 1.52.1 by @dependabot in #234
• Fix round creation and recovery by @poszu in #233
• Bump google.golang.org/grpc from 1.52.1 to 1.52.3 by @dependabot in #235
• Configurable tree file-based layers buffer size by @poszu in #227
• Bump docker/build-push-action from 3 to 4 by @dependabot in #237
• Fix typos by @fasmat in #238
• Bump gopkg.in/natefinch/lumberjack.v2 from 2.0.0 to 2.2.1 by @dependabot in #240
• Bump golang.org/x/sys from 0.4.0 to 0.5.0 by @dependabot in #241
• Bump google.golang.org/grpc from 1.52.3 to 1.53.0 by @dependabot in #242

Full Changelog: v0.6.0...v0.6.1