feat: add renovate support

Author: lotyp

renovate.json

@@ -0,0 +1,14 @@
+{
+    "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+    "extends": [
+        "config:base"
+    ],
+    "automerge": true,
+    "platformAutomerge": true,
+    "lockFileMaintenance": {
+        "enabled": true,
+        "automerge": true,
+        "automergeType": "pr",
+        "platformAutomerge": true
+    }
+}