Bump @sentry/node from 8.28.0 to 8.49.0 in /backend (#48)

Bumps [@sentry/node](https://github.com/getsentry/sentry-javascript) from 8.28.0 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@8.28.0...8.49.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

backend/package.json

@@ -15,7 +15,7 @@
   "dependencies": {
     "@aws-sdk/client-s3": "^3.651.1",
     "@sentry/integrations": "^7.114.0",
-    "@sentry/node": "^8.26.0",
+    "@sentry/node": "^8.49.0",
     "@sentry/profiling-node": "^8.26.0",
     "axios": "^1.7.4",
     "body-parser": "^1.20.2",