build(deps): bump code/common/libs/json from ee32bfc to 0b6881a

Bumps [code/common/libs/json](https://github.com/nlohmann/json) from `ee32bfc` to `0b6881a`.
- [Release notes](https://github.com/nlohmann/json/releases)
- [Commits](nlohmann/json@ee32bfc...0b6881a)

---
updated-dependencies:
- dependency-name: code/common/libs/json
  dependency-type: direct:production
...

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

Author: dependabot[bot]