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

Bumps [org.asciidoctor:asciidoctorj-pdf](https://github.com/asciidoctor/asciidoctorj-pdf) from 2.3.17 to 2.3.18.
- [Release notes](https://github.com/asciidoctor/asciidoctorj-pdf/releases)
- [Changelog](https://github.com/asciidoctor/asciidoctorj-pdf/blob/main/CHANGELOG.adoc)
- [Commits](asciidoctor/asciidoctorj-pdf@v2.3.17...v2.3.18)

---
updated-dependencies:
- dependency-name: org.asciidoctor:asciidoctorj-pdf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -55,7 +55,7 @@
 
         <asciidoctor-maven-plugin.version>3.0.0</asciidoctor-maven-plugin.version>
         <asciidoctorj.version>2.5.13</asciidoctorj.version>
-        <asciidoctorj-pdf.version>2.3.17</asciidoctorj-pdf.version>
+        <asciidoctorj-pdf.version>2.3.18</asciidoctorj-pdf.version>
 
         <!-- Repository Deployment URLs -->
         <ossrh.releases.repo.id>ossrh</ossrh.releases.repo.id>