Eliminate the use of object in TypeScript

[virzak]

What is the current behavior?

The object type in the line

final-form/src/index.d.ts

Line 133 in 0d7aecb

allValues: object,

Breaks the rule
https://github.com/typescript-eslint/typescript-eslint/blob/v4.22.0/packages/eslint-plugin/docs/rules/ban-types.md

This error occurs outside the library code when implementing the field-level-validation example in TypeScript:

const composeValidators = (...validators: FieldValidator<string>[]) => (value: string, allValues: object) =>
  validators.reduce((error, validator) => error || validator(value, allValues), undefined);

I think this can be fixed with

-type FieldValidator<FieldValue> = (
+type FieldValidator<FieldValue, FormValues> = (
   value: FieldValue,
-  allValues: object,
+  allValues: FormValues,
   meta?: FieldState<FieldValue>
 ) => any | Promise<any>
-type GetFieldValidator<FieldValue> = () =>
-  | FieldValidator<FieldValue>
+type GetFieldValidator<FieldValue, FormValues> = () =>
+  | FieldValidator<FieldValue, FormValues>
   | undefined

and a few propagating changes including react-final-form.

What are your thoughts on this?