Bump base-x and bs58check

Bumps [base-x](https://github.com/cryptocoinjs/base-x) and [bs58check](https://github.com/bitcoinjs/bs58check). These dependencies needed to be updated together.

Updates `base-x` from 3.0.8 to 3.0.11
- [Commits](cryptocoinjs/base-x@v3.0.8...v3.0.11)

Updates `bs58check` from 1.3.4 to 2.1.2
- [Commits](https://github.com/bitcoinjs/bs58check/commits/v2.1.2)

---
updated-dependencies:
- dependency-name: base-x
  dependency-version: 3.0.11
  dependency-type: indirect
- dependency-name: bs58check
  dependency-version: 2.1.2
  dependency-type: indirect
...

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Author: dependabot[bot]