Merge branch 'renovate/configure' into 'develop'

Configure Renovate

See merge request pleroma/pleroma-fe!1441

renovate.json

@@ -0,0 +1,6 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": [
+    "config:base"
+  ]
+}