Bump @sentry/nextjs from 8.35.0 to 8.49.0 in /packages/gitbook

Bumps [@sentry/nextjs](https://github.com/getsentry/sentry-javascript) from 8.35.0 to 8.49.0.
- [Release notes](https://github.com/getsentry/sentry-javascript/releases)
- [Changelog](https://github.com/getsentry/sentry-javascript/blob/8.49.0/CHANGELOG.md)
- [Commits](getsentry/sentry-javascript@8.35.0...8.49.0)

---
updated-dependencies:
- dependency-name: "@sentry/nextjs"
  dependency-type: direct:production
...

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

packages/gitbook/package.json

@@ -29,7 +29,7 @@
         "@radix-ui/react-checkbox": "^1.0.4",
         "@radix-ui/react-navigation-menu": "^1.2.3",
         "@radix-ui/react-popover": "^1.0.7",
-        "@sentry/nextjs": "8.35.0",
+        "@sentry/nextjs": "8.49.0",
         "@sindresorhus/fnv1a": "^3.1.0",
         "@tailwindcss/container-queries": "^0.1.1",
         "@tailwindcss/typography": "^0.5.16",