Fix deprecation notice in Inpsyde ruleset.xml

Inpsyde ruleset.xml used a comma-separated string for array configurations, which is now deprecated and will break in PHPCS 3.0

Signed-off-by: Giuseppe Mazzapica <g.mazzapica@inpsyde.com>

Author: gmazzap

Inpsyde/ruleset.xml

@@ -27,7 +27,9 @@
     <rule ref="WordPress.DateTime.CurrentTimeTimestamp"/>
     <rule ref="WordPress.DateTime.RestrictedFunctions">
         <properties>
-            <property name="exclude" type="array" value="date"/>
+            <property name="exclude" type="array">
+                <element key="0" value="date" />
+            </property>
         </properties>
     </rule>
     <rule ref="WordPress.NamingConventions.PrefixAllGlobals"/>
@@ -47,7 +49,11 @@
     <rule ref="WordPress.PHP.RestrictedPHPFunctions"/>
     <rule ref="WordPress.PHP.DiscouragedPHPFunctions">
         <properties>
-            <property name="exclude" type="array" value="serialize,urlencode,obfuscation"/>
+            <property name="exclude" type="array">
+                <element key="0" value="serialize" />
+                <element key="1" value="urlencode" />
+                <element key="2" value="obfuscation" />
+            </property>
         </properties>
     </rule>
     <rule ref="WordPress.PHP.DiscouragedPHPFunctions.runtime_configuration">