Added renovate config

Signed-off-by: Andre Wanlin <awanlin@spotify.com>

renovate.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:best-practices", ":gitSignOff"],
+  "labels": ["dependencies"],
+  "packageRules": [
+    {
+      "matchUpdateTypes": ["major", "minor", "patch"],
+      "addLabels": ["{{ updateType }}"]
+    }
+  ],
+  "osvVulnerabilityAlerts": true,
+  "vulnerabilityAlerts": {
+    "addLabels": ["security"],
+    "enabled": true
+  }
+}