Bump org.asciidoctor:asciidoctorj-pdf from 2.3.17 to 2.3.18 #1454

Job	Run time
Initial JDK 17 Weld Build + WildFly patch	2m 50s
CDI TCK - JDK 17	6m 25s
CDI TCK - JDK 21	6m 50s
Weld Examples build and test - JDK 17}	1m 34s
CDI TCK SE - JDK 17	46s
CDI TCK SE - JDK 21	51s
Weld In-container Tests - JDK 17	6m 40s
Weld Tests w/o Container - JDK 17	3m 41s
Relaxed mode testing - JDK 17	10m 6s
Weld In-container Tests - JDK 21	6m 41s
Weld Tests w/o Container - JDK 21	3m 47s
Weld SE-Servlet Cooperation	23s
	50m 34s

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