Update dependency express to ^4.18.3

Author: renovate[bot]

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@digicatapult/wasp-reading-service",
-  "version": "0.1.116",
+  "version": "0.1.117",
   "description": "Service for WASP",
   "main": "app/index.js",
   "type": "module",
@@ -34,7 +34,7 @@
     "cors": "^2.8.5",
     "dotenv": "^16.4.5",
     "envalid": "^8.0.0",
-    "express": "^4.18.2",
+    "express": "^4.18.3",
     "express-openapi": "^12.1.3",
     "kafkajs": "^2.2.4",
     "knex": "^3.1.0",