Bumps [deps/rapidjson](https://github.com/Tencent/rapidjson) from `973dc9c` to `476ffa2`.
- [Release notes](https://github.com/Tencent/rapidjson/releases)
- [Commits](973dc9c06d...476ffa2fd2
)
---
updated-dependencies:
- dependency-name: deps/rapidjson
dependency-type: direct:production
...
Signed-off-by: dependabot[bot] <support@github.com>