Bump pymongo from 4.8.0 to 4.9.1

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.8.0 to 4.9.1.
- [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@4.8.0...4.9.1)

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

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

Pipfile

@@ -7,7 +7,7 @@ name = "pypi"
 pytest = "==8.3.3"
 mirakuru = "==2.5.2"
 port-for = "==0.7.3"
-pymongo = "==4.8.0"
+pymongo = "==4.9.1"
 
 [dev-packages]
 towncrier = "==24.8.0"