Meraki module utility request() has improved error reporting (#39838)

* request() has improved error reporting
- 5xx errors show same as before
- 3xx and 4xx errors show error body

* Print body for errors greater than 300, but less than 500

* Remove trailing whitespace

lib/ansible/module_utils/network/meraki/meraki.py

@@ -259,8 +259,11 @@ class MerakiModule(object):
         self.response = info['msg']
         self.status = info['status']
 
-        if self.status >= 300:
+        if self.status >= 500:
             self.fail_json(msg='Request failed for {url}: {status} - {msg}'.format(**info))
+        elif self.status >= 300:
+            self.fail_json(msg='Request failed for {url}: {status} - {msg}'.format(**info),
+                           body=json.loads(to_native(info['body'])))
         try:
             return json.loads(to_native(resp.read()))
         except: