fix: DataConnectors/AWS-SecurityHubFindings/requirements.txt to reduce vulnerabilities

The following vulnerabilities are fixed by pinning transitive dependencies:
- https://snyk.io/vuln/SNYK-PYTHON-SETUPTOOLS-7448482

Author: snyk-bot

DataConnectors/AWS-SecurityHubFindings/requirements.txt

@@ -20,4 +20,5 @@ pycrypto==2.6.1
 version-utils==0.2.2
 wheel==0.38.1
 zope.interface==4.1.1
-azure-identity==1.7.1
+azure-identity==1.7.1
+setuptools>=70.0.0 # not directly required, pinned by Snyk to avoid a vulnerability