⬆️ Bump libs/pybind11 from 5891867 to 0a756c0 (#297)

Bumps [libs/pybind11](https://github.com/pybind/pybind11) from `5891867` to `0a756c0`.
- [Release notes](https://github.com/pybind/pybind11/releases)
- [Commits](pybind/pybind11@5891867...0a756c0)

---
updated-dependencies:
- dependency-name: libs/pybind11
  dependency-type: direct:production
...

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