Bump immutable from 4.3.4 to 4.3.5 (sass#956)

Bumps [immutable](https://github.com/immutable-js/immutable-js) from 4.3.4 to 4.3.5.
- [Release notes](https://github.com/immutable-js/immutable-js/releases)
- [Changelog](https://github.com/immutable-js/immutable-js/blob/main/CHANGELOG.md)
- [Commits](immutable-js/immutable-js@v4.3.4...v4.3.5)

---
updated-dependencies:
- dependency-name: immutable
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -72,7 +72,7 @@
     "deep-equal": "^2.2.3",
     "eslint-plugin-prettier": "^5.1.3",
     "gts": "^5.2.0",
-    "immutable": "^4.3.4",
+    "immutable": "^4.3.5",
     "jquery": "^3.7.1",
     "jquery-ui": "^1.13.2",
     "js-yaml": "^4.1.0",