Bump terraform-linters/setup-tflint from 3 to 4 (#11)

Bumps [terraform-linters/setup-tflint](https://github.com/terraform-linters/setup-tflint) from 3 to 4.
- [Release notes](https://github.com/terraform-linters/setup-tflint/releases)
- [Commits](terraform-linters/setup-tflint@v3...v4)

---
updated-dependencies:
- dependency-name: terraform-linters/setup-tflint
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
         uses: hashicorp/setup-terraform@v2
 
       - name: Tflint Setup
-        uses: terraform-linters/setup-tflint@v3
+        uses: terraform-linters/setup-tflint@v4
 
       - name: Terraform Docs Setup
         run: |