Update dependency org.asciidoctor:asciidoctorj-diagram to v2

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
org.asciidoctor:asciidoctorj-diagram	major	1.5.18 -> 2.0.5

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Release Notes

asciidoctor/asciidoctorj-diagram

### [`v2.0.5`](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.4...v2.0.5) [Compare Source](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.4...v2.0.5) ### [`v2.0.4`](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.2...v2.0.4) [Compare Source](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.2...v2.0.4) ### [`v2.0.2`](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.1...v2.0.2) [Compare Source](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.1...v2.0.2) ### [`v2.0.1`](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.0...v2.0.1) [Compare Source](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v2.0.0...v2.0.1) ### [`v2.0.0`](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v1.5.18...v2.0.0) [Compare Source](https://togithub.com/asciidoctor/asciidoctorj-diagram/compare/v1.5.18...v2.0.0)

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