fix(package): update ejs to version 2.7.2

Closes #31

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
   "dependencies": {
     "bunyan": "1.8.12",
     "conventional-commit-types": "2.2.0",
-    "ejs": "2.5.7",
+    "ejs": "2.7.2",
     "fs-extra": "5.0.0",
     "lodash": "4.17.5",
     "markdown-magic": "0.1.20",