feat: sync version-driven intel coverage

08-threat-intel/registry/versions/mattermost--10-9.json

@@ -0,0 +1,14 @@
+{
+  "version_id": "mattermost--10-9",
+  "entity_id": "mattermost",
+  "root_system_id": "mattermost",
+  "version": "10.9",
+  "released_at": "2025-07-22",
+  "release_url": "https://securityupdates.mattermost.com/security_updates.json",
+  "source_name": "Mattermost Security Updates JSON",
+  "source_confidence": "official",
+  "security_relevant": true,
+  "reason": "security-release",
+  "advisory_refs": [],
+  "is_latest_snapshot": false
+}