Bump date-fns-tz from 2.0.1 to 3.2.0 in /graph-sample

Bumps [date-fns-tz](https://github.com/marnusw/date-fns-tz) from 2.0.1 to 3.2.0.
- [Release notes](https://github.com/marnusw/date-fns-tz/releases)
- [Changelog](https://github.com/marnusw/date-fns-tz/blob/master/CHANGELOG.md)
- [Commits](marnusw/date-fns-tz@v2.0.1...v3.2.0)

---
updated-dependencies:
- dependency-name: date-fns-tz
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

graph-sample/package-lock.json

@@ -13,7 +13,7 @@
     "connect-flash": "^0.1.1",
     "cookie-parser": "~1.4.4",
     "date-fns": "^2.30.0",
-    "date-fns-tz": "^2.0.1",
+    "date-fns-tz": "^3.2.0",
     "debug": "^4.3.7",
     "dotenv": "^16.4.5",
     "express": "^4.21.0",