Install renovate

It doesn't quite work, as really it needs docker to correctly update packages. But it's a start for now

ansible/roles/renovate/files/entrypoint.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+
+while true;
+do
+    renovate $@
+    echo "> Sleeping for 1 hour..."
+    sleep 1h &
+    wait $!
+done