Bump github.com/gruntwork-io/terratest from 0.48.2 to 0.50.0 in /test

Bumps [github.com/gruntwork-io/terratest](https://github.com/gruntwork-io/terratest) from 0.48.2 to 0.50.0.
- [Release notes](https://github.com/gruntwork-io/terratest/releases)
- [Commits](gruntwork-io/terratest@v0.48.2...v0.50.0)

---
updated-dependencies:
- dependency-name: github.com/gruntwork-io/terratest
  dependency-version: 0.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

test/go.mod

@@ -6,7 +6,7 @@ toolchain go1.24.1
 
 require (
 	github.com/Azure/terraform-module-test-helper v0.32.0
-	github.com/gruntwork-io/terratest v0.48.2
+	github.com/gruntwork-io/terratest v0.50.0
 	github.com/hashicorp/go-retryablehttp v0.7.8
 	github.com/stretchr/testify v1.10.0
 )