build(deps-dev): bump cypress (#2708)

Bumps the npm-development-dependencies group with 1 update in the /src/frontend directory: [cypress](https://github.com/cypress-io/cypress).


Updates `cypress` from 15.5.0 to 15.6.0
- [Release notes](https://github.com/cypress-io/cypress/releases)
- [Changelog](https://github.com/cypress-io/cypress/blob/develop/CHANGELOG.md)
- [Commits](cypress-io/cypress@v15.5.0...v15.6.0)

---
updated-dependencies:
- dependency-name: cypress
  dependency-version: 15.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm-development-dependencies
...

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

Author: dependabot[bot]

src/frontend/package-lock.json

@@ -56,7 +56,7 @@
     "@types/uuid": "11.0.0",
     "@typescript-eslint/eslint-plugin": "8.46.3",
     "@typescript-eslint/parser": "8.46.3",
-    "cypress": "15.5.0",
+    "cypress": "15.6.0",
     "eslint": "9.39.1",
     "eslint-config-next": "16.0.1",
     "eslint-plugin-react": "7.37.5",