Add renovate config

Author: sbidoul

renovate.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:recommended"],
+  "baseBranchPatterns": ["19.0", "18.0", "17.0", "16.0"],
+  "enabledManagers": ["copier"],
+  "ignoreScripts": false
+}