chore: Upgrade dependencies

[kitten]

Summary

The only relevant changeset change is how bundles are generated.
In our output bundles, for-of will now be used, to align with our browser/JS engine feature support guides.

Set of changes

• Upgrade all dependencies
• Align ESLint and Prettier config (with gql.tada)
• Apply new lints
• Update Rollup config (to align with gql.tada)
  • This in practice only means that our output bundles will now use for-of
• Update Vitest coverage configuration and snapshots
• Move type checking tests to Vitest
• Move benchmarks to Vitest
• Update how fixtures are imported