chore(deps): bump @fastify/busboy and testcontainers

Removes [@fastify/busboy](https://github.com/fastify/busboy). It's no longer used after updating ancestor dependency [testcontainers](https://github.com/testcontainers/testcontainers-node). These dependencies need to be updated together.


Removes `@fastify/busboy`

Updates `testcontainers` from 10.28.0 to 12.2.0
- [Release notes](https://github.com/testcontainers/testcontainers-node/releases)
- [Commits](testcontainers/testcontainers-node@v10.28.0...v12.2.0)

---
updated-dependencies:
- dependency-name: "@fastify/busboy"
  dependency-version:
  dependency-type: indirect
- dependency-name: testcontainers
  dependency-version: 12.2.0
  dependency-type: direct:development
...

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Author: dependabot[bot]