chore(package): update xo to version 0.28.1

Closes #1488

lib/plugins/index.js

@@ -46,10 +46,10 @@ module.exports = (context, pluginsPath) => {
 
   const pluginsConf = Object.entries(PLUGINS_DEFINITIONS).reduce(
     (pluginsConf, [type, {required, default: def, pipelineConfig, postprocess = identity, preprocess = identity}]) => {
-      let pluginOpts;
+      let pluginOptions;
 
       if (isNil(options[type]) && def) {
-        pluginOpts = def;
+        pluginOptions = def;
       } else {
         // If an object is passed and the path is missing, merge it with step options
         if (isPlainObject(options[type]) && !options[type].path) {
@@ -63,10 +63,10 @@ module.exports = (context, pluginsPath) => {
           return pluginsConf;
         }
 
-        pluginOpts = options[type];
+        pluginOptions = options[type];
       }
 
-      const steps = castArray(pluginOpts).map(pluginOpt =>
+      const steps = castArray(pluginOptions).map(pluginOpt =>
         normalize(
           {...context, options: omit(options, Object.keys(PLUGINS_DEFINITIONS), 'plugins')},
           type,