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](https://github.com/terraform-linters/setup-tflint/compare/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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/tests.yaml

@@ -34,7 +34,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v4
 
-    - uses: terraform-linters/setup-tflint@v3
+    - uses: terraform-linters/setup-tflint@v4
       name: Setup TFLint
       with:
         tflint_version: latest