2.1.83

Update asciidoctor-epub3 requirement from 2.1.3 to 2.2.0 (#80)

Updates the requirements on [asciidoctor-epub3](https://github.com/asciidoctor/asciidoctor-epub3) to permit the latest version.
- [Release notes](https://github.com/asciidoctor/asciidoctor-epub3/releases)
- [Changelog](https://github.com/asciidoctor/asciidoctor-epub3/blob/main/CHANGELOG.adoc)
- [Commits](https://github.com/asciidoctor/asciidoctor-epub3/compare/v2.1.3...v2.2.0)

---
updated-dependencies:
- dependency-name: asciidoctor-epub3
  dependency-version: 2.2.0
  dependency-type: direct:production
...

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