Bump pymongo from 3.11.2 to 4.6.3

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 3.11.2 to 4.6.3.
- [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@3.11.2...4.6.3)

---
updated-dependencies:
- dependency-name: pymongo
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -83,7 +83,7 @@ pycodestyle==2.6.0
 pycparser==2.20
 Pygments==2.7.4
 pylint==2.5.3
-pymongo==3.11.2
+pymongo==4.6.3
 pyparsing==2.4.7
 PyPDF2==1.27.5
 pyrsistent==0.16.0