Bump org.apache.maven.plugins:maven-jar-plugin from 3.3.0 to 3.4.0

Bumps [org.apache.maven.plugins:maven-jar-plugin](https://github.com/apache/maven-jar-plugin) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/apache/maven-jar-plugin/releases)
- [Commits](apache/maven-jar-plugin@maven-jar-plugin-3.3.0...maven-jar-plugin-3.4.0)

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

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

Author: dependabot[bot]

pom.xml

@@ -79,7 +79,7 @@
     <maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
     <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
     <maven-javadoc-plugin.version>3.6.3</maven-javadoc-plugin.version>
-    <maven.jar.plugin.version>3.3.0</maven.jar.plugin.version>
+    <maven.jar.plugin.version>3.4.0</maven.jar.plugin.version>
     <build-helper-maven-plugin.version>3.4.0</build-helper-maven-plugin.version>
     <asciidoctor.maven.plugin.version>3.0.0</asciidoctor.maven.plugin.version>
     <asciidoctorj.version>2.5.12</asciidoctorj.version>