fix!: use Node16 module resolution

[achingbrain]

This is to support the "types" field in package.json to support modules that no longer have a root "types" field.

BREAKING CHANGE: Node16 module resolution ignores "types" and "typesVersions" in the package.json root when an exports map is found so requires "types" on every exports map entry instead

[achingbrain]

We need to test this thoroughly before merging - every dep needs a types entry for every export