build(deps): bump github.com/gofrs/flock from 0.8.0 to 0.8.1 (#2083)

Bumps [github.com/gofrs/flock](https://github.com/gofrs/flock) from 0.8.0 to 0.8.1.
- [Release notes](https://github.com/gofrs/flock/releases)
- [Commits](gofrs/flock@v0.8.0...v0.8.1)

---
updated-dependencies:
- dependency-name: github.com/gofrs/flock
  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

@@ -20,7 +20,7 @@ require (
 	github.com/fzipp/gocyclo v0.3.1
 	github.com/go-critic/go-critic v0.5.6
 	github.com/go-xmlfmt/xmlfmt v0.0.0-20191208150333-d5b6f63a941b
-	github.com/gofrs/flock v0.8.0
+	github.com/gofrs/flock v0.8.1
 	github.com/golangci/check v0.0.0-20180506172741-cfe4005ccda2
 	github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a
 	github.com/golangci/go-misc v0.0.0-20180628070357-927a3d87b613