Bump @sentry/nextjs from 8.38.0 to 8.39.0 in /frontend

Bumps [@sentry/nextjs](https://github.com/getsentry/sentry-javascript) from 8.38.0 to 8.39.0.
- [Release notes](https://github.com/getsentry/sentry-javascript/releases)
- [Changelog](https://github.com/getsentry/sentry-javascript/blob/develop/CHANGELOG.md)
- [Commits](getsentry/sentry-javascript@8.38.0...8.39.0)

---
updated-dependencies:
- dependency-name: "@sentry/nextjs"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

frontend/package.json

@@ -28,7 +28,7 @@
     "@radix-ui/react-switch": "^1.1.1",
     "@radix-ui/react-tooltip": "^1.1.4",
     "@resvg/resvg-js": "^2.6.2",
-    "@sentry/nextjs": "^8.38.0",
+    "@sentry/nextjs": "^8.39.0",
     "@storybook/test": "^8.4.4",
     "@stripe/react-stripe-js": "^2.8.0",
     "@stripe/stripe-js": "^4.8.0",