build(deps): bump github.com/moby/buildkit from 0.8.2 to 0.8.3

Bumps [github.com/moby/buildkit](https://github.com/moby/buildkit) from 0.8.2 to 0.8.3.
- [Release notes](https://github.com/moby/buildkit/releases)
- [Commits](https://github.com/moby/buildkit/compare/v0.8.2...v0.8.3)

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

pkg/buildkitd/buildkitd.go

@@ -16,7 +16,7 @@ import (
 
 const (
 	image         = "moby/buildkit"
-	version       = "v0.8.2"
+	version       = "v0.8.3"
 	imageVersion  = image + ":" + version
 	containerName = "dagger-buildkitd"
 	volumeName    = "dagger-buildkitd"