Merge pull request #347 from Adyen/add-stability-days

Create renovate.json with minimum required release age

Author: ayodejidev

renovate.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["config:base"],
+  "minimumReleaseAge": "21 days"
+}