[CI] Bump the ci-actions group with 2 updates (#160)

Bumps the ci-actions group with 2 updates: [gradle/actions](https://github.com/gradle/actions) and [actions/deploy-pages](https://github.com/actions/deploy-pages).


Updates `gradle/actions` from 5 to 6
- [Release notes](https://github.com/gradle/actions/releases)
- [Commits](https://github.com/gradle/actions/compare/v5...v6)

Updates `actions/deploy-pages` from 4 to 5
- [Release notes](https://github.com/actions/deploy-pages/releases)
- [Commits](https://github.com/actions/deploy-pages/compare/v4...v5

)

---
updated-dependencies:
- dependency-name: gradle/actions
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci-actions
- dependency-name: actions/deploy-pages
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci-actions
...

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