(main): Bump org.asciidoctor:asciidoctorj from 2.5.13 to 3.0.0 #1066

Job	Run time
Javadocs (ubuntu-latest, 11, 3.9.6)	20s
Sign artifacts (ubuntu-latest, 11, 3.9.6)	34s
Build (ubuntu-latest, 11, 3.8.8)	38s
Build (ubuntu-latest, 11, 3.9.6)	32s
Build (ubuntu-latest, 17, 3.8.8)	31s
Build (ubuntu-latest, 17, 3.9.6)	47s
Build (ubuntu-latest, 21, 3.8.8)	34s
Build (ubuntu-latest, 21, 3.9.6)	38s
Build (windows-latest, 11, 3.8.8)	52s
Build (windows-latest, 11, 3.9.6)	1m 37s
Build (windows-latest, 17, 3.8.8)	2m 5s
Build (windows-latest, 17, 3.9.6)	1m 35s
Build (windows-latest, 21, 3.8.8)	1m 51s
Build (windows-latest, 21, 3.9.6)	1m 36s
Build (macos-latest, 11, 3.8.8)	43s
Build (macos-latest, 11, 3.9.6)	33s
Build (macos-latest, 17, 3.8.8)	49s
Build (macos-latest, 17, 3.9.6)	45s
Build (macos-latest, 21, 3.8.8)	41s
Build (macos-latest, 21, 3.9.6)	37s
	18m 18s

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