Require slevomat/coding-standard v8.16

Use DNFTypeHintFormat instead of deprecated UnionTypeHintFormat sniff

Author: simPod

composer.json

@@ -24,7 +24,7 @@
     "require": {
         "php": "^7.2 || ^8.0",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.6.2 || ^0.7 || ^1.0.0",
-        "slevomat/coding-standard": "^8.14",
+        "slevomat/coding-standard": "^8.16",
         "squizlabs/php_codesniffer": "^3.7"
     },
     "config": {

lib/Doctrine/ruleset.xml

@@ -482,8 +482,8 @@
             </property>
         </properties>
     </rule>
-    <!-- Define unions style -->
-    <rule ref="SlevomatCodingStandard.TypeHints.UnionTypeHintFormat">
+    <!-- Define DNF style -->
+    <rule ref="SlevomatCodingStandard.TypeHints.DNFTypeHintFormat">
         <properties>
             <property name="withSpaces" value="no" />
             <property name="shortNullable" value="no" />