chore(deps): bump immutable from 3.8.2 to 4.3.4

Bumps [immutable](https://github.com/immutable-js/immutable-js) from 3.8.2 to 4.3.4.
- [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@v3.8.2...v4.3.4)

---
updated-dependencies:
- dependency-name: immutable
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -66,7 +66,7 @@
     "classnames": "^2.2.6",
     "deepmerge": "^4.0.0",
     "file-dialog": "0.0.8",
-    "immutable": "^3.x.x",
+    "immutable": "^4.x.x",
     "is-json": "^2.0.1",
     "js-file-download": "=0.4.12",
     "js-yaml": "=4.1.0",