chore(deps): bump fast-uri and fast-json-stringify

Bumps [fast-uri](https://github.com/fastify/fast-uri) and [fast-json-stringify](https://github.com/fastify/fast-json-stringify). These dependencies needed to be updated together.

Updates `fast-uri` from 3.0.1 to 3.1.2
- [Release notes](https://github.com/fastify/fast-uri/releases)
- [Commits](fastify/fast-uri@v3.0.1...v3.1.2)

Updates `fast-json-stringify` from 6.0.0 to 6.4.0
- [Release notes](https://github.com/fastify/fast-json-stringify/releases)
- [Commits](fastify/fast-json-stringify@v6.0.0...v6.4.0)

---
updated-dependencies:
- dependency-name: fast-uri
  dependency-version: 3.1.2
  dependency-type: indirect
- dependency-name: fast-json-stringify
  dependency-version: 6.4.0
  dependency-type: indirect
...

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Author: dependabot[bot]