fix(deps): bump libphonenumber-js from 1.11.12 to 1.11.15 in /web

Bumps [libphonenumber-js](https://gitlab.com/catamphetamine/libphonenumber-js) from 1.11.12 to 1.11.15.
- [Changelog](https://gitlab.com/catamphetamine/libphonenumber-js/blob/master/CHANGELOG.md)
- [Commits](https://gitlab.com/catamphetamine/libphonenumber-js/compare/v1.11.12...v1.11.15)

---
updated-dependencies:
- dependency-name: libphonenumber-js
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

web/package.json

@@ -34,7 +34,7 @@
     "firebase": "^10.9.0",
     "firebaseui": "^6.1.0",
     "jest-environment-jsdom": "^29.7.0",
-    "libphonenumber-js": "^1.11.12",
+    "libphonenumber-js": "^1.11.15",
     "moment": "^2.30.1",
     "nuxt": "^2.18.1",
     "nuxt-highlightjs": "^1.0.3",