fix: package.json to reduce vulnerabilities (#1509)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-LUXON-3225081

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

package.json

@@ -55,7 +55,7 @@
     "date.js": "~0.3.3",
     "debug": "~4.3.4",
     "human-interval": "~2.0.1",
-    "luxon": "^3.0.1",
+    "luxon": "^3.2.1",
     "mongodb": "^4.8.1"
   },
   "devDependencies": {