fix(deps): update dependency express to v4.20.0 [security]

Author: renovate[bot]

src/server/package.json

@@ -21,7 +21,7 @@
 		"class-validator": "0.9.1",
 		"classnames": "2.2.6",
 		"cookie-parser": "1.4.4",
-		"express": "4.17.1",
+		"express": "4.20.0",
 		"express-http-proxy": "1.5.1",
 		"graphql": "14.4.2",
 		"graphql-subscriptions": "1.1.0",