Bump github.com/hashicorp/terraform-plugin-docs in /tools

Bumps [github.com/hashicorp/terraform-plugin-docs](https://github.com/hashicorp/terraform-plugin-docs) from 0.8.0 to 0.8.1.
- [Release notes](https://github.com/hashicorp/terraform-plugin-docs/releases)
- [Changelog](https://github.com/hashicorp/terraform-plugin-docs/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-plugin-docs@v0.8.0...v0.8.1)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/terraform-plugin-docs
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

tools/go.mod

@@ -5,6 +5,6 @@ go 1.16
 require (
 	github.com/client9/misspell v0.3.4
 	github.com/golangci/golangci-lint v1.46.0
-	github.com/hashicorp/terraform-plugin-docs v0.8.0
+	github.com/hashicorp/terraform-plugin-docs v0.8.1
 	github.com/pavius/impi v0.0.3
 )

tools/go.sum

@@ -471,8 +471,9 @@ github.com/hashicorp/go-version v1.4.0/go.mod h1:fltr4n8CU8Ke44wwGCBoEymUuxUHl09
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
-github.com/hashicorp/hc-install v0.3.1 h1:VIjllE6KyAI1A244G8kTaHXy+TL5/XYzvrtFi8po/Yk=
 github.com/hashicorp/hc-install v0.3.1/go.mod h1:3LCdWcCDS1gaHC9mhHCGbkYfoY6vdsKohGjugbZdZak=
+github.com/hashicorp/hc-install v0.3.2 h1:oiQdJZvXmkNcRcEOOfM5n+VTsvNjWQeOjfAoO6dKSH8=
+github.com/hashicorp/hc-install v0.3.2/go.mod h1:xMG6Tr8Fw1WFjlxH0A9v61cW15pFwgEGqEz0V4jisHs=
 github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
@@ -487,8 +488,8 @@ github.com/hashicorp/terraform-exec v0.16.1 h1:NAwZFJW2L2SaCBVZoVaH8LPImLOGbPLkS
 github.com/hashicorp/terraform-exec v0.16.1/go.mod h1:aj0lVshy8l+MHhFNoijNHtqTJQI3Xlowv5EOsEaGO7M=
 github.com/hashicorp/terraform-json v0.13.0 h1:Li9L+lKD1FO5RVFRM1mMMIBDoUHslOniyEi5CM+FWGY=
 github.com/hashicorp/terraform-json v0.13.0/go.mod h1:y5OdLBCT+rxbwnpxZs9kGL7R9ExU76+cpdY8zHwoazk=
-github.com/hashicorp/terraform-plugin-docs v0.8.0 h1:qNuHNTEqVCT258+h1GsejtfgW6qxTBAXc6qJbzd8C3U=
-github.com/hashicorp/terraform-plugin-docs v0.8.0/go.mod h1:MjeyK5CEI/jZbTQXq1Ay0UwTGdqxEcQexqhHP1WcLZc=
+github.com/hashicorp/terraform-plugin-docs v0.8.1 h1:XJC/cDvmE7zJfDFCtOI1bURaencBQC0xYx3DZ5cWbhE=
+github.com/hashicorp/terraform-plugin-docs v0.8.1/go.mod h1:p40z/69HYNUN/G2RDYp8XUCA5B1VzGTZl7/N9V+BWXU=
 github.com/hexops/gotextdiff v1.0.3 h1:gitA9+qJrrTCsiCl7+kh75nPqQt1cx4ZkudSTLoUqJM=
 github.com/hexops/gotextdiff v1.0.3/go.mod h1:pSWU5MAI3yDq+fZBTazCSJysOMbxWL1BSow5/V2vxeg=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=