Bump pymongo from 4.6.0 to 4.6.3 in /plugins/flytekit-airflow (#2336)

Bumps [pymongo](https://github.com/mongodb/mongo-python-driver) from 4.6.0 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@4.6.0...4.6.3)

---
updated-dependencies:
- dependency-name: pymongo
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

plugins/flytekit-airflow/dev-requirements.txt

@@ -53,9 +53,7 @@ apache-airflow-providers-sqlite==3.5.0
 apache-beam[gcp]==2.51.0
     # via apache-airflow-providers-apache-beam
 apispec[yaml]==6.3.0
-    # via
-    #   apispec
-    #   flask-appbuilder
+    # via flask-appbuilder
 argcomplete==3.1.4
     # via apache-airflow
 asgiref==3.7.2
@@ -120,9 +118,7 @@ colorlog==4.8.0
 configupdater==3.1.1
     # via apache-airflow
 connexion[flask]==2.14.2
-    # via
-    #   apache-airflow
-    #   connexion
+    # via apache-airflow
 crcmod==1.7
     # via apache-beam
 cron-descriptor==1.4.0
@@ -805,7 +801,7 @@ pyjwt==2.8.0
     #   flask-appbuilder
     #   flask-jwt-extended
     #   gcloud-aio-auth
-pymongo==4.6.0
+pymongo==4.6.3
     # via apache-beam
 pyopenssl==23.3.0
     # via apache-airflow-providers-google