fix: setTimeout and co. have too strict types

[tkgalk]

Should fix #5278 by moving unknown[] to any[] to line up with TypeScript's behaviour.

Code:

setTimeout((x: number) => {
    console.log("test");
}, 0, 1);

Shouldn't be getting this error anymore:

error: TS2345 [ERROR]: Argument of type '(x: number) => void' is not assignable to parameter of type '(...args: unknown[]) => void'.
  Types of parameters 'x' and 'args' are incompatible.
    Type 'unknown' is not assignable to type 'number'.
setTimeout((x: number) => {
           ~~~~~~~~~~~~~~~~

[kitsonk]

LGTM

[ry]

LGTM - thanks @galkowskit