chore: upgrade express and related dependencies

upgrade express to 4.17.1
upgrade express-session to 1.16.2

Signed-off-by: BoHong Li <[email protected]>

Author: a60814billy

package.json

@@ -55,8 +55,8 @@
     "deep-freeze": "~0.0.1",
     "ejs": "~2.5.5",
     "emojify.js": "~1.1.0",
-    "express": "~4.16.4",
-    "express-session": "~1.16.1",
+    "express": "~4.17.1",
+    "express-session": "~1.16.2",
     "file-saver": "~1.3.3",
     "flowchart.js": "~1.12.0",
     "fork-awesome": "~1.1.3",