linter: ignore files with errors

.phpcs.xml

@@ -9,6 +9,11 @@
     <exclude-pattern>/vendor/</exclude-pattern>
     <exclude-pattern>/node_modules/</exclude-pattern>
 
+    <!-- exclude files that are throwing an error in phpcs, which breaks CI for everyone -->
+    <exclude-pattern>src/forum/search.js</exclude-pattern>
+    <exclude-pattern>src/js/tiny_mce/plugins/wordcount/editor_plugin_src.js</exclude-pattern>
+    <exclude-pattern>src/js/tiny_mce/utils/form_utils.js</exclude-pattern>
+
     <!-- Empty lines should contain no whitespace -->
     <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace"/>