Update dependency joi to v18 (#327)

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

Author: renovate[bot]

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@stanlemon/server",
-  "version": "0.4.9",
+  "version": "0.4.10",
   "description": "A basic express web server setup.",
   "author": "Stan Lemon <stanlemon@users.noreply.github.com>",
   "license": "MIT",
@@ -28,7 +28,7 @@
     "express-rate-limit": "^8.0.1",
     "helmet": "^8.1.0",
     "http-proxy-middleware": "^3.0.5",
-    "joi": "^17.13.3",
+    "joi": "^18.0.0",
     "lodash": "^4.17.21",
     "lodash-es": "^4.17.21",
     "morgan": "^1.10.1"