fix: Solutions/Box/Data Connectors/requirements.txt to reduce vulnera…

…bilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-ZIPP-7430899

Solutions/Box/Data Connectors/requirements.txt

@@ -8,4 +8,5 @@ pyjwt==2.4.0
 cryptography==38.0.3
 boxsdk==3.3.0
 azure-storage-file-share==12.7.0
-python-dateutil==2.8.2
+python-dateutil==2.8.2
+zipp>=3.19.1 # not directly required, pinned by Snyk to avoid a vulnerability