Update dependency express to v4.20.0 [SECURITY]

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
         "chai": "4.3.7",
         "chai-http": "4.3.0",
         "copyfiles": "2.4.1",
-        "express": "4.18.2",
+        "express": "4.20.0",
         "mocha": "9.2.2",
         "npm-run-all2": "5.0.0",
         "rimraf": "3.0.2",