Related to #58
Related to #30

Improve support for overloaded functions (up to 10 overloads). So for an
example function type:

```ts
type Factorize = {
  (input: number): number[]
  (input: bigint): bigint[]
}
```

---

`.parameters` gives you an ExpectTypeOf instance with a union of the
parameter-tuple types, so:
 
```ts
expectTypeOf<Factorize>().parameters.toEqualTypeOf<[number] | [bigint]>()
```

---

`.returns` gives you an ExpectTypeOf instance with a union of the return
types, so

```ts
expectTypeOf<Factorize>().returns.toEqualTypeOf<number[] | bigint[]>()
```

---

`.toBeCallableWith(...)` now accepts any overload input, not just the
"last" like before. And you can now chain it via `.returns` which gives
you the matching return type:

```ts
expectTypeOf<Factorize>().toBeCallableWith(5).returns.toEqualTypeOf<number[]>()
```

---

## Implementation

- overload utilities were added
- initially, I thought all that was needed was a utility that matches
`F` typeargs against a single 10-overload type
- but the `test-types` job caught that this _doesn't_ work for
typescript <5.3
- for lower typescript versions, it seems we need an approach more like
the one in #58
- there are some edge cases the tests found for generic functions and
parameterless functions, so there is _sometimes_ some "useless" overload
info that has to be explicitly excluded
- there are a couple of intermediate utilities to check if the
10-overload type can be used, and to exclude "useless" overloads
- equivalents added for constructor parameters too
- used the overloaded versions in `DeepBrand` too

<details>
<summary>update: moved these changes to #93 to reduce diff</summary>

- I felt the megafile `index.ts` was finally getting too big with the
added overload utilties:
  - so those were put in a new `overloads.ts`
- since overload utils they rely on some other existing utils, I created
`utils.ts` to avoid circular references
  - `index.ts` remains as the home for the main `ExpectTypeOf` exports
- added `export * from './utils'` since we have been exporting all the
internal utils and I don't want to break people
  - update: moved these changes to #93 to reduce diff
</details>

---------

Co-authored-by: Misha Kaletsky <mmkal@users.noreply.github.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Arya Emami <aryaemami59@yahoo.com>