⬆️ Bump pymongo from 3.12.0 to 4.6.3 in /server

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 3.12.0 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@3.12.0...4.6.3)

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

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

server/requirements.txt

@@ -5,7 +5,7 @@ dj-database-url==0.5.0
 Django==3.2.25
 djangorestframework==3.12.4
 google-api-python-client==2.33.0
-pymongo==3.12.0
+pymongo==4.6.3
 python-dotenv==0.19.0
 redis==4.5.4
 requests==2.31.0