Bump @metamask/json-rpc-middleware-stream from 8.0.3 to 8.0.4

Bumps [@metamask/json-rpc-middleware-stream](https://github.com/MetaMask/core) from 8.0.3 to 8.0.4.
- [Release notes](https://github.com/MetaMask/core/releases)
- [Changelog](https://github.com/MetaMask/core/blob/main/docs/reviewing-release-prs.md)
- [Commits](https://github.com/MetaMask/core/compare/@metamask/[email protected]...@metamask/[email protected])

---
updated-dependencies:
- dependency-name: "@metamask/json-rpc-middleware-stream"
  dependency-type: indirect
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>