chore(deps): update dependency helm-unittest/helm-unittest to v0.4.3 (#391)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [helm-unittest/helm-unittest](https://github.com/helm-unittest/helm-unittest) | patch | `v0.4.2` -> `v0.4.3` |

---

### Release Notes

<details>
<summary>helm-unittest/helm-unittest (helm-unittest/helm-unittest)</summary>

### [`v0.4.3`](https://github.com/helm-unittest/helm-unittest/releases/tag/v0.4.3)

[Compare Source](https://github.com/helm-unittest/helm-unittest/compare/v0.4.2...v0.4.3)

**Improvements**

-   Improve development, by running PR validation using GitHub actions (credits [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk))

**Fixes**

-   Fix unittest fails when chart name has same name as one of its dependencies (resolves [#&#8203;283](https://github.com/helm-unittest/helm-unittest/issues/283))
-   Fix documentSelector matches resources outside of selected templates (credits [@&#8203;ivankatliarchuk](https://github.com/ivankatliarchuk), resolves [#&#8203;286](https://github.com/helm-unittest/helm-unittest/issues/286))
-   Fix IsNullOrEmptyValidator for single values (credits [@&#8203;arkbriar](https://github.com/arkbriar))
-   Fix validation on Windows target platform

**Updates**

-   Update packages to latest patch versions
-   Update documentation (credits [@&#8203;gionn](https://github.com/gionn), credits [@&#8203;mgnisia](https://github.com/mgnisia))

</details>

---

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Reviewed-on: https://codeberg.org/forgejo-contrib/forgejo-helm/pulls/391
Co-authored-by: Renovate Bot <bot@kriese.eu>
Co-committed-by: Renovate Bot <bot@kriese.eu>

.vscode/settings.json

@@ -4,7 +4,7 @@
       ".github/workflows/*",
       ".forgejo/workflows/*"
     ],
-    "https://raw.githubusercontent.com/helm-unittest/helm-unittest/v0.4.2/schema/helm-testsuite.json": [
+    "https://raw.githubusercontent.com/helm-unittest/helm-unittest/v0.4.3/schema/helm-testsuite.json": [
       "/unittests/**/*.yaml"
     ]
   },