fix: plugins/flytekit-papermill/requirements.txt to reduce vulnerabil…

…ities (flyteorg#825)

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-IPYTHON-2348630

Signed-off-by: maximsmol <maximsmol@gmail.com>

plugins/flytekit-papermill/requirements.txt

@@ -79,7 +79,7 @@ importlib-metadata==4.8.2
     # via keyring
 ipykernel==6.5.0
     # via flytekitplugins-papermill
-ipython==7.29.0
+ipython==7.31.1
     # via ipykernel
 ipython-genutils==0.2.0
     # via nbformat