fix(deps): bump @vue/composition-api from 1.0.0-rc.9 to 1.0.0-rc.11

Bumps [@vue/composition-api](https://github.com/vuejs/composition-api) from 1.0.0-rc.9 to 1.0.0-rc.11.
- [Release notes](https://github.com/vuejs/composition-api/releases)
- [Changelog](https://github.com/vuejs/composition-api/blob/master/CHANGELOG.md)
- [Commits](vuejs/composition-api@v1.0.0-rc.9...v1.0.0-rc.11)

---
updated-dependencies:
- dependency-name: "@vue/composition-api"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>