⬆️ Bump the submodules group with 3 updates (#599)

Bumps the submodules group with 3 updates: [libs/Catch2](https://github.com/catchorg/Catch2), [libs/pybind11](https://github.com/pybind/pybind11) and [libs/json](https://github.com/nlohmann/json).


Updates `libs/Catch2` from `506276c` to `0321d2f`
- [Release notes](https://github.com/catchorg/Catch2/releases)
- [Commits](catchorg/Catch2@506276c...0321d2f)

Updates `libs/pybind11` from `83b92ce` to `e7c9b90`
- [Release notes](https://github.com/pybind/pybind11/releases)
- [Commits](pybind/pybind11@83b92ce...e7c9b90)

Updates `libs/json` from `a97041a` to `e41905f`
- [Release notes](https://github.com/nlohmann/json/releases)
- [Commits](nlohmann/json@a97041a...e41905f)

---
updated-dependencies:
- dependency-name: libs/Catch2
  dependency-type: direct:production
  dependency-group: submodules
- dependency-name: libs/pybind11
  dependency-type: direct:production
  dependency-group: submodules
- dependency-name: libs/json
  dependency-type: direct:production
  dependency-group: submodules
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>