fix: upgrade express-openapi-validator from 5.3.6 to 5.3.7

Snyk has created this PR to upgrade express-openapi-validator from 5.3.6 to 5.3.7.

See this package in npm:
https://www.npmjs.com/package/express-openapi-validator

See this project in Snyk:
https://app.snyk.io/org/cdimascio/project/53639b22-8ff0-4bd5-97c3-ae30b20a20f4?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

examples/2-standard-multiple-api-specs/package-lock.json

@@ -12,7 +12,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "express-openapi-validator": "^5.3.6",
+    "express-openapi-validator": "^5.3.7",
     "morgan": "^1.10.0"
   },
   "devDependencies": {