Bump deps/json from a259ecc to a006a7a

Bumps [deps/json](https://github.com/nlohmann/json) from `a259ecc` to `a006a7a`.
- [Release notes](https://github.com/nlohmann/json/releases)
- [Commits](nlohmann/json@a259ecc...a006a7a)

---
updated-dependencies:
- dependency-name: deps/json
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>