Create renovate.json

Author: skoobasteeve

renovate.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "github>ycharts/ycharts_systems:renovate-default.json5"
+  ],
+  "enabledManagers": ["github-actions"]
+}