Use Slevomat.Operators.DisallowEqualOperators instead of IdenticalComparison

Author: mmoll

Symfony/Sniffs/ControlStructure/IdenticalComparisonSniff.php

@@ -112,4 +112,6 @@
     <rule ref="Symfony.Commenting.ClassComment.SpacingBeforeTags">
         <message>There should always be a description, followed by a blank line, before the tags of a class comment.</message>
     </rule>
+
+    <rule ref="SlevomatCodingStandard.Operators.DisallowEqualOperators" />
 </ruleset>