Bump @masatomakino/gulptask-demo-page from 0.8.0 to 0.8.2

Bumps [@masatomakino/gulptask-demo-page](https://github.com/MasatoMakino/gulptask-demo-page) from 0.8.0 to 0.8.2.
- [Release notes](https://github.com/MasatoMakino/gulptask-demo-page/releases)
- [Commits](MasatoMakino/gulptask-demo-page@v0.8.0...v0.8.2)

---
updated-dependencies:
- dependency-name: "@masatomakino/gulptask-demo-page"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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