chore(package): update gulp-typescript to version 3.1.7

package.json

@@ -75,7 +75,7 @@
 		"gulp-rename": "1.2.2",
 		"gulp-replace": "0.5.4",
 		"gulp-tslint": "8.1.0",
-		"gulp-typescript": "3.1.6",
+		"gulp-typescript": "3.1.7",
 		"gulp-uglify": "3.0.0",
 		"gulp-util": "3.0.8",
 		"mocha": "3.4.2",