chore(deps): Bump pymongo from 4.15.2 to 4.15.3

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.15.2 to 4.15.3.
- [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/4.15.2...4.15.3)

---
updated-dependencies:
- dependency-name: pymongo
  dependency-version: 4.15.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -23,7 +23,7 @@ yarl==1.20.1
 hysteria2-api==0.1.3
 schedule==1.2.2
 aiofiles==24.1.0
-pymongo==4.15.2
+pymongo==4.15.3
 
 # webpanel
 annotated-types==0.7.0