Bump pymongo from 4.6.1 to 4.6.3 in /application

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.6.1 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](https://github.com/mongodb/mongo-python-driver/compare/4.6.1...4.6.3)

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

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

application/requirements.txt

@@ -18,7 +18,7 @@ nltk==3.8.1
 openapi3_parser==1.1.16
 pandas==2.2.0
 pydantic_settings==2.1.0
-pymongo==4.6.1
+pymongo==4.6.3
 PyPDF2==3.0.1
 python-dotenv==1.0.1
 qdrant-client==1.8.2