Update dependency nodemon to v3 (#43)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@digicatapult/wasp-routing-service",
-  "version": "2.1.38",
+  "version": "2.1.39",
   "description": "",
   "main": "index.js",
   "license": "Apache-2.0",
@@ -40,7 +40,7 @@
     "eslint-config-prettier": "^8.9.0",
     "eslint-plugin-prettier": "^4.2.1",
     "mocha": "^10.2.0",
-    "nodemon": "^2.0.22",
+    "nodemon": "^3.0.1",
     "pino-colada": "^2.2.2",
     "prettier": "^2.8.8",
     "supertest": "^6.3.3"