Bump immutable and @ardatan/relay-compiler in /src/ui (#231)

Bumps [immutable](https://github.com/immutable-js/immutable-js) and [@ardatan/relay-compiler](https://github.com/ardatan/graphql-tools). These dependencies needed to be updated together.

Updates `immutable` from 3.7.6 to 5.1.5
- [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@3.7.6...v5.1.5)

Updates `@ardatan/relay-compiler` from 12.0.3 to 12.3.0
- [Release notes](https://github.com/ardatan/graphql-tools/releases)
- [Commits](https://github.com/ardatan/graphql-tools/commits/@ardatan/relay-compiler@12.3.0)

---
updated-dependencies:
- dependency-name: immutable
  dependency-version: 5.1.5
  dependency-type: indirect
- dependency-name: "@ardatan/relay-compiler"
  dependency-version: 12.3.0
  dependency-type: indirect
...

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Co-authored-by: Bob Strahan <strahanr@amazon.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]