chore(deps): bump pymongo from 4.7.0 to 4.7.3

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.7.0 to 4.7.3.
- [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@4.7.0...4.7.3)

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

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

requirements_test.txt

@@ -8,7 +8,7 @@ pytest-cov==4.1.0
 pytest-mock==3.14.0
 mongomock==4.1.2
 pydantic==2.7.1
-pymongo==4.7.0
+pymongo==4.7.3
 mypy==1.10.0
 mypy-extensions==1.0.0
 black==24.4.2