fix: package.json & package-lock.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-MONGOOSE-8623536

Author: snyk-bot

package-lock.json

@@ -82,7 +82,7 @@
     "lodash": "^4.17.21",
     "messagebird": "^4.0.1",
     "mongodb": "^5.7.0",
-    "mongoose": "^7.3.3",
+    "mongoose": "^7.8.4",
     "morgan": "^1.10.0",
     "multer": "^1.4.5-lts.1",
     "multer-cloud-storage": "^3.0.0",