Bump pymongo from 4.6.3 to 4.7.1

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.6.3 to 4.7.1.
- [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@4.6.3...4.7.1)

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

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

requirements-optional.txt

@@ -2,7 +2,7 @@ numpy==1.26.4
 ruamel.yaml==0.18.6
 msgpack==1.0.8
 tqdm==4.66.2
-pymongo==4.6.3
+pymongo==4.7.1
 pandas==2.2.2
 orjson==3.10.0
 types-orjson==3.6.2