fix(utils): Account for rule property "generator" (#454)

In Webpack 5 a new property "generator" has been added to the rule definition, which must be accounted for in the rule set.

Fixes #428. (See  vuejs/vue-loader#1753)

Author: ihmels

lib/utils/get-matched-rule-5.js

@@ -22,6 +22,7 @@ const ruleSetCompiler = new RuleSetCompiler([
   new BasicEffectRulePlugin('sideEffects'),
   new BasicEffectRulePlugin('parser'),
   new BasicEffectRulePlugin('resolve'),
+  new BasicEffectRulePlugin('generator'),
   new DescriptionDataMatcherRulePlugin(),
   new UseEffectRulePlugin()
 ]);