Release v0.2.6.9

In this release:

ed83b6d Updated reqs
b90a151 Update requirements.txt
64675e9 Bump setuptools from 59.2.0 to 59.5.0
f9c90e1 Bump pymongo from 3.12.1 to 4.0
bd5c764 Bump sphinx from 4.3.0 to 4.3.1