Upgrade pybind11 to v2.11.0 am: df375684ae am: c3651ffda2

Original change: https://android-review.googlesource.com/c/platform/external/python/pybind11/+/2722853

Change-Id: Iac3a4d5dce2870a33bc2f027afd1fb12d738cfa7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>