chore: Bump cross-fetch from 3.1.4 to 3.1.5 in /docs (#131)

Bumps [cross-fetch](https://github.com/lquixada/cross-fetch) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/lquixada/cross-fetch/releases)
- [Commits](lquixada/cross-fetch@v3.1.4...v3.1.5)

---
updated-dependencies:
- dependency-name: cross-fetch
  dependency-type: indirect
...

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

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

Author: dependabot[bot]