chore(deps): bump github.com/moby/buildkit from 0.10.1 to 0.10.3 (#313)

Bumps [github.com/moby/buildkit](https://github.com/moby/buildkit) from 0.10.1 to 0.10.3.
- [Release notes](https://github.com/moby/buildkit/releases)
- [Commits](moby/buildkit@v0.10.1...v0.10.3)

---
updated-dependencies:
- dependency-name: github.com/moby/buildkit
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -16,7 +16,7 @@ require (
  github.com/go-git/go-git/v5 v5.4.2
  github.com/golang/mock v1.6.0
  github.com/google/uuid v1.3.0
- github.com/moby/buildkit v0.10.1
+ github.com/moby/buildkit v0.10.3
  github.com/moby/term v0.0.0-20210619224110-3f7ff695adc6
  github.com/morikuni/aec v1.0.0
  github.com/olekukonko/tablewriter v0.0.5

go.sum

@@ -406,8 +406,8 @@ github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
-github.com/moby/buildkit v0.10.1 h1:jB0xuJU0ehDxDnzKal6R7BUHxXZ/EOA1CCuD+24fBvU=
-github.com/moby/buildkit v0.10.1/go.mod h1:jxeOuly98l9gWHai0Ojrbnczrk/rf+o9/JqNhY+UCSo=
+github.com/moby/buildkit v0.10.3 h1:/dGykD8FW+H4p++q5+KqKEo6gAkYKyBQHdawdjVwVAU=
+github.com/moby/buildkit v0.10.3/go.mod h1:jxeOuly98l9gWHai0Ojrbnczrk/rf+o9/JqNhY+UCSo=
 github.com/moby/locker v1.0.1 h1:fOXqR41zeveg4fFODix+1Ch4mj/gT0NE1XJbp/epuBg=
 github.com/moby/sys/mountinfo v0.6.0 h1:gUDhXQx58YNrpHlK4nSL+7y2pxFZkUcXqzFDKWdC0Oo=
 github.com/moby/sys/signal v0.6.0 h1:aDpY94H8VlhTGa9sNYUFCFsMZIUh5wm0B6XkIoJj/iY=