Rename Severity label to Score on risk overview

The risk overview cards label the combined likelihood × impact
value as Severity; use Score instead for consistency with the
rest of the risk page.

Signed-off-by: Cursor Agent <cursoragent@cursor.com>

Co-authored-by: Bryan FRIMIN <bryan@frimin.fr>

packages/ui/src/Molecules/Risks/RiskOverview.tsx

@@ -70,7 +70,7 @@ export function RiskOverview({ type, risk }: Props) {
         />
       </div>
       <div className="space-y-2">
-        <div className="font-medium text-xs">{__("Severity")}</div>
+        <div className="font-medium text-xs">{__("Score")}</div>
         <div
           className={clsx(
             severity?.bg,