Bump base-x from 3.0.9 to 3.0.11 in /samples/browser-esm-parcel (#4905)

Bumps [base-x](https://github.com/cryptocoinjs/base-x) from 3.0.9 to 3.0.11.
- [Commits](https://github.com/cryptocoinjs/base-x/compare/v3.0.9...v3.0.11)

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

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