This PR aims to make sure #4030 doesn't need to happen again. We check
that the worker file sizes stay within a given limit, and require people
to explicitly up this limit if they decide to add new deps that grow the
bundle size significantly.
### Change Type
<!-- ❗ Please select a 'Type' label ❗️ -->
- [ ] `feature` — New feature
- [ ] `improvement` — Product improvement
- [ ] `api` — API change
- [ ] `bugfix` — Bug fix
- [x] `other` — Changes that don't affect SDK users, e.g. internal or
.com changes
### Test Plan
1. Add a step-by-step description of how to test your PR here.
2.
- [ ] Unit Tests
- [ ] End to end tests
### Release Notes
- Add a brief release note for your PR here.
ca5e268798