Fix EPSS tab to show latest published data instead of old entries

Signed-off-by: ziad hany <ziadhany2016@gmail.com>

Author: ziadhany

vulnerabilities/views.py

@@ -328,7 +328,10 @@ def get_context_data(self, **kwargs):
             ):
                 logging.error(f"CVSSMalformedError for {severity.scoring_elements}")
 
-        epss_severity = vulnerability.severities.filter(scoring_system="epss").first()
+        epss_severity = vulnerability.severities.filter(scoring_system="epss").latest(
+            "published_at"
+        )
+
         epss_data = None
         if epss_severity:
             epss_data = {