Upgrade pybind11 to v2.11.0 am: df375684ae

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

Change-Id: I9e747505c9e243ae6a716163763f15faaebf6f66
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>