Bump docsy from 0.10.0 to 0.11.0 (#559)

Bumps [docsy](https://github.com/google/docsy) from 0.10.0 to 0.11.0.
- [Release notes](https://github.com/google/docsy/releases)
- [Commits](google/docsy@v0.10.0...v0.11.0)

---
updated-dependencies:
- dependency-name: docsy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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