feat(godot): Document diagnostic_level option (#13089)

Author: limbonaut

docs/platforms/godot/configuration/options.mdx

@@ -22,10 +22,18 @@ Learn more about [DSN utilization](/product/sentry-basics/dsn-explainer/#dsn-uti
 
 <ConfigKey name="debug">
 
-Turns debug mode on or off. If `debug` is enabled, the SDK will print useful debugging information to standard output. These messages do not appear in the Godot console or log file but can be seen when launching Godot application from a terminal. It's generally not recommended to turn it on in production, though turning `debug` mode on will not cause any safety concerns.
+Turns debug mode on or off. If `debug` is enabled, the SDK will print useful debugging information. You can see it in the Output panel of the Godot editor. It's generally not recommended to turn it on in production, though turning `debug` mode on will not cause any safety concerns.
 
 In the Project Settings, this option appears as `Debug Printing` and defaults to `Auto`. When set to `Auto`, the `debug` is enabled in debug builds (such as the editor and debug exports), and disabled in release export.
 
+You can control the verbosity using the `diagnostic_level` option.
+
+</ConfigKey>
+
+<ConfigKey name="diagnostic_level">
+
+Specifies the minimum level of messages to be printed if `debug` is turned on.
+
 </ConfigKey>
 
 <ConfigKey name="release">