Bump github.com/hashicorp/terraform-plugin-testing from 1.4.0 to 1.5.1

Bumps [github.com/hashicorp/terraform-plugin-testing](https://github.com/hashicorp/terraform-plugin-testing) from 1.4.0 to 1.5.1.
- [Release notes](https://github.com/hashicorp/terraform-plugin-testing/releases)
- [Changelog](https://github.com/hashicorp/terraform-plugin-testing/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-plugin-testing@v1.4.0...v1.5.1)

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

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

Author: dependabot[bot]

go.mod

@@ -7,7 +7,7 @@ require (
 	github.com/hashicorp/terraform-plugin-framework v1.3.5
 	github.com/hashicorp/terraform-plugin-go v0.18.0
 	github.com/hashicorp/terraform-plugin-log v0.9.0
-	github.com/hashicorp/terraform-plugin-testing v1.4.0
+	github.com/hashicorp/terraform-plugin-testing v1.5.1
 	github.com/raksul/go-clickup v0.0.0-20230724022611-03151315cb7f
 )