feat(web,server)!: runtime log level (#5672)

* feat: change log level at runtime

* chore: open api

* chore: prefer env over runtime

* chore: remove default env value

mobile/openapi/test/system_config_dto_test.dart

@@ -31,6 +31,11 @@ void main() {
       // TODO
     });
 
+    // SystemConfigLoggingDto logging
+    test('to test the property `logging`', () async {
+      // TODO
+    });
+
     // SystemConfigMachineLearningDto machineLearning
     test('to test the property `machineLearning`', () async {
       // TODO