renovate: add osvVulnerabilityAlerts

renovate.json

 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
-  "extends": [
-    "local>systemes-dinformation/renovate/renovate-config"
-  ],
-  "labels": ["dependencies"]
+  "extends": ["local>systemes-dinformation/renovate/renovate-config"],
+  "labels": ["dependencies"],
+  "vulnerabilityAlerts": {
+    "enabled": true,
+    "labels": ["security"]
+  },
+  "osvVulnerabilityAlerts": true,
+  "dependencyDashboardOSVVulnerabilitySummary": "all"
 }