Exclude build/ directory from phpcs to fix false positives on generated asset files

Author: ajaydsouza

phpcs.xml.dist

@@ -7,6 +7,7 @@
 	<exclude-pattern>*/phpunit/*</exclude-pattern>
 	<exclude-pattern>*/vendor/*</exclude-pattern>
 	<exclude-pattern>*/tests/*</exclude-pattern>
+	<exclude-pattern>*/build/*</exclude-pattern>
 	<exclude-pattern>*/index.php</exclude-pattern>
 	<exclude-pattern>*/index.asset.php</exclude-pattern>