Bump github.com/bflad/tfproviderlint from 0.27.1 to 0.28.1 in /tools

Bumps [github.com/bflad/tfproviderlint](https://github.com/bflad/tfproviderlint) from 0.27.1 to 0.28.1.
- [Release notes](https://github.com/bflad/tfproviderlint/releases)
- [Changelog](https://github.com/bflad/tfproviderlint/blob/main/CHANGELOG.md)
- [Commits](bflad/tfproviderlint@v0.27.1...v0.28.1)

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

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

Author: dependabot[bot]

tools/go.mod

@@ -3,7 +3,7 @@ module github.com/gitlabhq/terraform-provider-gitlab/tools
 go 1.16
 
 require (
-	github.com/bflad/tfproviderlint v0.27.1
+	github.com/bflad/tfproviderlint v0.28.1
 	github.com/golangci/golangci-lint v1.44.0
 	github.com/hashicorp/terraform-plugin-docs v0.5.1
 	golang.org/x/tools v0.1.9-0.20211228192929-ee1ca4ffc4da

tools/go.sum

@@ -135,8 +135,8 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bflad/gopaniccheck v0.1.0 h1:tJftp+bv42ouERmUMWLoUn/5bi/iQZjHPznM00cP/bU=
 github.com/bflad/gopaniccheck v0.1.0/go.mod h1:ZCj2vSr7EqVeDaqVsWN4n2MwdROx1YL+LFo47TSWtsA=
-github.com/bflad/tfproviderlint v0.27.1 h1:sYlc6R8cQ0NtaCCA7Oh1ld8xfn0oiwn6mm4unooi2fo=
-github.com/bflad/tfproviderlint v0.27.1/go.mod h1:7Z9Pyl1Z1UWJcPBuyjN89D2NaJGpjReQb5NoaaQCthQ=
+github.com/bflad/tfproviderlint v0.28.1 h1:7f54/ynV6/lK5/1EyG7tHtc4sMdjJSEFGjZNRJKwBs8=
+github.com/bflad/tfproviderlint v0.28.1/go.mod h1:7Z9Pyl1Z1UWJcPBuyjN89D2NaJGpjReQb5NoaaQCthQ=
 github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d h1:xDfNPAt8lFiC1UJrqV3uuy861HCTo708pDMbjHHdCas=
 github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d/go.mod h1:6QX/PXZ00z/TKoufEY6K/a0k6AhaJrQKdFe6OfVXsa4=
 github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=