Update MODULE.json with PHPCS severity 9

Author: jissereitsma

MODULE.json

@@ -26,15 +26,16 @@
     ],
     "config": [
         {
-            "path": "loki_components\/general\/debug",
+            "path": "loki_components/general/debug",
             "label": "Generic settings > Debug",
             "description": "When debugging is enabled, on various levels, detailed information comes available. For instance, in the browser Error Console, more debugging messages are displayed, allowing you to inspect issues on the JavaScript level. Whenever an exception occurs within the AJAX call, the exception message is appended to the AJAX output."
         },
         {
-            "path": "loki_components\/validators\/enable_mx_validation_for_email",
+            "path": "loki_components/validators/enable_mx_validation_for_email",
             "label": "Validators > Enable MX Validation for Email Values",
-            "description": "When a specific Loki Component is declared in a file `etc\/loki_components.xml` with a validator `email`, then basic email validation is applied. With this setting enabled, the validation includes also a DNS MX lookup of the domain part of the email."
+            "description": "When a specific Loki Component is declared in a file `etc/loki_components.xml` with a validator `email`, then basic email validation is applied. With this setting enabled, the validation includes also a DNS MX lookup of the domain part of the email."
         }
     ],
-    "tests": []
+    "tests": [],
+    "phpcs_severity": "9"
 }