Update terraform-linters/tflint-load-config-action action to v3 (#84)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[terraform-linters/tflint-load-config-action](https://redirect.github.com/terraform-linters/tflint-load-config-action)
| action | major | `v2` → `v3` |

---

### Release Notes

<details>
<summary>terraform-linters/tflint-load-config-action
(terraform-linters/tflint-load-config-action)</summary>

###
[`v3`](https://redirect.github.com/terraform-linters/tflint-load-config-action/compare/v2...v3)

[Compare
Source](https://redirect.github.com/terraform-linters/tflint-load-config-action/compare/v2...v3)

</details>

---

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---

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.github/workflows/terraform.yml

@@ -72,7 +72,7 @@ jobs:
           }  >> "$GITHUB_STEP_SUMMARY"
 
       - name: Load TFLint config
-        uses: terraform-linters/tflint-load-config-action@v2
+        uses: terraform-linters/tflint-load-config-action@v3
         if: success() || failure()
         with:
           source-repo: riege/code-quality