Merge pull request 'feat: add mail_password' (#2) from smtp-secret into main

Reviewed-on: #2

renovate.json

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