Nanoid

* Use `-` instead of `~` in default alphabet to by file name safe.
* Add `nanoid/non-secure/generate`.

- Compatibility with original Javascript implementation [NanoID 2.0](https://github.com/ai/nanoid/blob/master/CHANGELOG.md20).

Added

- Ability to generate non-secure hashes

Changed

- Replaced default alphabet character `~` (tilde) with `-` (dash)

* Reduce `non-secure` size.
* Add `async` callback type check.

* Fix `nanoid/async` performance regression.
* Fix old Node.js `not seeded` issue in synchronous version too.

* Fix random generator `not seeded` issue of old Node.js.

* Reduce library size.