Update terraform-linters/setup-tflint action to v5 (#75)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[terraform-linters/setup-tflint](https://redirect.github.com/terraform-linters/setup-tflint)
| action | major | `v4` -> `v5` |

---

### Release Notes

<details>
<summary>terraform-linters/setup-tflint
(terraform-linters/setup-tflint)</summary>

###
[`v5`](https://redirect.github.com/terraform-linters/setup-tflint/compare/v4...v5)

[Compare
Source](https://redirect.github.com/terraform-linters/setup-tflint/compare/v4...v5)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/riege/code-quality).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS42MC40IiwidXBkYXRlZEluVmVyIjoiNDEuNjAuNCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiZGVwZW5kZW5jaWVzIl19-->

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Oliver Wiebeck <[email protected]>

Author: renovate[bot]

.github/workflows/terraform.yml

@@ -48,7 +48,7 @@ jobs:
         id: validate
         if: ${{ !inputs.skip_validate && (success() || failure()) }}
         env:
-          ARM_SUBSCRIPTION_ID: 0caa8408-f721-4bd2-8b21-e5cb6ac8891d  # dummy subscription ID to silence missing argument error since azurerm v4
+          ARM_SUBSCRIPTION_ID: 0caa8408-f721-4bd2-8b21-e5cb6ac8891d # dummy subscription ID to silence missing argument error since azurerm v4
         run: terraform validate -no-color
 
       - name: Create job summary
@@ -94,7 +94,7 @@ jobs:
           key: tflint-${{ hashFiles(env.TFLINT_CONFIG_FILE_REL) }}
 
       - name: Setup TFLint
-        uses: terraform-linters/setup-tflint@v4
+        uses: terraform-linters/setup-tflint@v5
         if: success() || failure()
 
       - name: Init TFLint