Bump github.com/golangci/golangci-lint from 1.41.1 to 1.42.0 in /tools (#333)

Bumps [github.com/golangci/golangci-lint](https://github.com/golangci/golangci-lint) from 1.41.1 to 1.42.0.
- [Release notes](https://github.com/golangci/golangci-lint/releases)
- [Changelog](https://github.com/golangci/golangci-lint/blob/master/CHANGELOG.md)
- [Commits](golangci/golangci-lint@v1.41.1...v1.42.0)

---
updated-dependencies:
- dependency-name: github.com/golangci/golangci-lint
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

tools/go.mod

@@ -3,8 +3,7 @@ module github.com/percona/mongodb_exporter/tools
 go 1.15
 
 require (
-	github.com/golangci/golangci-lint v1.41.1
+	github.com/golangci/golangci-lint v1.42.0
 	github.com/reviewdog/reviewdog v0.13.0
-	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 // indirect
 	golang.org/x/tools v0.1.5
 )