Update renovate.json

renovate.json

@@ -1,3 +1,8 @@
 {
-  "$schema": "https://docs.renovatebot.com/renovate-schema.json"
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    ":automergeAll",
+    ":enableVulnerabilityAlerts",
+    ":ignoreUnstable"
+  ]
 }