build(deps): bump org.apache.maven.plugins:maven-javadoc-plugin (#443)

Bumps [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.7.0 to 3.8.0.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.7.0...maven-javadoc-plugin-3.8.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-javadoc-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -115,7 +115,7 @@
   <org.jsoup.version>1.15.3</org.jsoup.version>
 
   <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
-  <maven-javadoc-plugin.version>3.7.0</maven-javadoc-plugin.version>
+  <maven-javadoc-plugin.version>3.8.0</maven-javadoc-plugin.version>
   <jreleaser-maven-plugin.version>1.11.0</jreleaser-maven-plugin.version>
 
   <shade.prefix>io.cryostat.agent.shaded</shade.prefix>