Bump pymongo from 3.11.4 to 4.6.3 in /sema_toolchain/submodules/malwexp

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 3.11.4 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](mongodb/mongo-python-driver@3.11.4...4.6.3)

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

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

sema_toolchain/submodules/malwexp/requirements.txt

@@ -1,4 +1,4 @@
 click==7.1.2
-pymongo==3.11.4
+pymongo==4.6.3
 pyzipper==0.3.5
 requests==2.26.0