[client] Implement new vulnerability data model (#916)

Author: SamuelHassine

pycti/entities/opencti_stix_domain_object.py

@@ -1015,7 +1015,7 @@ def __init__(self, opencti, file):
             ... on Vulnerability {
                 name
                 description
-                                x_opencti_aliases
+                x_opencti_aliases
                 x_opencti_cvss_vector
                 x_opencti_cvss_base_score
                 x_opencti_cvss_base_severity