Bump pagefind from 1.0.4 to 1.1.1 in /docs

Bumps [pagefind](https://github.com/CloudCannon/pagefind) from 1.0.4 to 1.1.1.
- [Release notes](https://github.com/CloudCannon/pagefind/releases)
- [Changelog](https://github.com/CloudCannon/pagefind/blob/main/CHANGELOG.md)
- [Commits](CloudCannon/pagefind@v1.0.4...v1.1.1)

---
updated-dependencies:
- dependency-name: pagefind
  dependency-type: indirect
...

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