Bump pymongo from 3.7.2 to 4.10.1

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 3.7.2 to 4.10.1.
- [Release notes](https://github.com/mongodb/mongo-python-driver/releases)
- [Changelog](https://github.com/mongodb/mongo-python-driver/blob/master/doc/changelog.rst)
- [Commits](mongodb/mongo-python-driver@3.7.2...4.10.1)

---
updated-dependencies:
- dependency-name: pymongo
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -4,6 +4,6 @@ requests==2.20.0
 gunicorn==19.9.0
 gevent==1.3.7
 cachetools==2.1.0
-pymongo==4.7.2
+pymongo==4.10.1
 redis==2.10.6
 flask-cors==3.0.6