Bump src/deps/pybind11 from 8a099e4 to c2b32b1

Bumps [src/deps/pybind11](https://github.com/pybind/pybind11) from `8a099e4` to `c2b32b1`.
- [Release notes](https://github.com/pybind/pybind11/releases)
- [Commits](pybind/pybind11@8a099e4...c2b32b1)

---
updated-dependencies:
- dependency-name: src/deps/pybind11
  dependency-version: c2b32b1e3b1d972186ff745c9190cad664c219bb
  dependency-type: direct:production
...

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Author: dependabot[bot]