Add CVE-2025-68973 to trivyignore (#2272)

Author: cYKatherine

.trivyignore

@@ -18,4 +18,7 @@ CVE-2025-64720 exp:2026-06-05
 CVE-2025-65018 exp:2026-06-05
 
 # UID2-6385
-CVE-2025-66293 exp:2026-06-15
+CVE-2025-66293 exp:2026-06-15
+
+# UID2-6481
+CVE-2025-68973 exp:2026-06-15