fix: add minimum release age of 3 days

ref: https://docs.renovatebot.com/configuration-options/#minimumreleaseage

Author: mjfwebb

renovate.json

@@ -8,6 +8,7 @@
     },
     "timezone": "Europe/London",
     "schedule": ["after 10pm every weekday", "before 5am every weekday", "every weekend"],
+    "minimumReleaseAge": "3 days",
     "ignorePaths": [
         "**/node_modules/**",
         "**/bower_components/**",