Bump actions/github to 2.2.0 to support GHES (#72)

* Bumping actions/github to 2.2.0

* Husky commit correct node modules

node_modules/cssom/lib/StyleSheet.js

@@ -0,0 +1,17 @@
+//.CommonJS
+var CSSOM = {};
+///CommonJS
+
+
+/**
+ * @constructor
+ * @see http://dev.w3.org/csswg/cssom/#the-stylesheet-interface
+ */
+CSSOM.StyleSheet = function StyleSheet() {
+	this.parentStyleSheet = null;
+};
+
+
+//.CommonJS
+exports.StyleSheet = CSSOM.StyleSheet;
+///CommonJS