chore: bump webpack from 5.68.0 to 5.76.0 in /docs (#1249)

Bumps [webpack](https://github.com/webpack/webpack) from 5.68.0 to 5.76.0.
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.68.0...v5.76.0

)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: direct:development
...

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