Update Flask-Cors version to 4.0.2 for CVE-2024-6221

Flask-CORS allows the `Access-Control-Allow-Private-Network` CORS header to be set to true by default, the fixed version is 4.0.2

Author: dongx1x

cnap/requirements.txt

@@ -1,7 +1,7 @@
 ccnp
 cctrusted_base
 Flask==3.0.0
-Flask-Cors==4.0.1
+Flask-Cors==4.0.2
 kafka-python==2.0.2
 numpy==1.26.2
 opencv-python==4.8.1.78