chore(deps): bump sha.js from 2.4.11 to 2.4.12 (#493)

Bumps [sha.js](https://github.com/crypto-browserify/sha.js) from 2.4.11 to 2.4.12.
- [Changelog](https://github.com/browserify/sha.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/crypto-browserify/sha.js/compare/v2.4.11...v2.4.12)

---
updated-dependencies:
- dependency-name: sha.js
  dependency-version: 2.4.12
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Lochie Axon <lochieaxon@gmail.com>