Update max_message_size to reflect nap behavior change - https://docs…

….nginx.com/nginx-app-protect-waf/releases/release-notes-4.7/#resolved-issues (#5209)

Update max_message_size configuration.md

docs/content/installation/integrations/app-protect-waf/configuration.md

@@ -128,7 +128,8 @@ For example, say you want to [log state changing requests](/nginx-app-protect-wa
     },
     "content": {
         "format": "default",
-        "max_message_size": "5k"
+        "max_request_size": "any",
+        "max_message_size": "64k"
     }
 }
 ```
@@ -145,7 +146,8 @@ spec:
     request_type: all
   content:
     format: default
-    max_message_size: 5k
+    max_request_size: any
+    max_message_size: 64k
 ```
 
 ## NGINX App Protect WAF User Defined Signatures