build: update example dependencies

package.json

@@ -60,6 +60,7 @@
   },
   "devDependencies": {
     "after": "0.8.2",
+    "connect-redis": "3.4.0",
     "cookie-parser": "~1.4.3",
     "cookie-session": "1.3.2",
     "ejs": "2.6.1",
@@ -67,7 +68,7 @@
     "express-session": "1.15.6",
     "hbs": "4.0.1",
     "istanbul": "0.4.5",
-    "marked": "0.5.0",
+    "marked": "0.5.1",
     "method-override": "3.0.0",
     "mocha": "5.2.0",
     "morgan": "1.9.1",
@@ -75,7 +76,6 @@
     "pbkdf2-password": "1.2.1",
     "should": "13.2.3",
     "supertest": "3.3.0",
-    "connect-redis": "~2.4.1",
     "vhost": "~3.0.2"
   },
   "engines": {