chore(deps): bump immutable and sass

Bumps [immutable](https://github.com/immutable-js/immutable-js) to 5.1.9 and updates ancestor dependency [sass](https://github.com/sass/dart-sass). These dependencies need to be updated together.


Updates `immutable` from 4.3.5 to 5.1.9
- [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@v4.3.5...v5.1.9)

Updates `sass` from 1.74.1 to 1.103.1
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.74.1...1.103.1)

---
updated-dependencies:
- dependency-name: immutable
  dependency-version: 5.1.9
  dependency-type: indirect
- dependency-name: sass
  dependency-version: 1.103.1
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]