chore: enable Renovate via shared dsh-plugin-kit preset

Author: PerryLink

renovate.json5

@@ -0,0 +1,4 @@
+{
+  $schema: "https://docs.renovatebot.com/renovate-schema.json",
+  extends: ["github>PerryLink/dsh-plugin-kit//renovate/default.json5"],
+}