Update Renovate configuration to use best practices and enhance vulnerability alerts (#518)

Author: ludeeus

renovate.json

@@ -1,8 +1,12 @@
 {
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
-    "config:recommended"
+    "config:best-practices"
   ],
+  "minimumReleaseAge": "2 days",
+  "osvVulnerabilityAlerts": true,
+  "dependencyDashboardOSVVulnerabilitySummary": "all",
+  "timezone": "Europe/Berlin",
   "labels": [
     "dependencies"
   ],