Update dependency org.apache.maven.plugins:maven-jar-plugin to v3.4.2 (#64)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[org.apache.maven.plugins:maven-jar-plugin](https://maven.apache.org/plugins/)
| `3.3.0` -> `3.4.2` |
[![age](https://developer.mend.io/api/mc/badges/age/maven/org.apache.maven.plugins:maven-jar-plugin/3.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/maven/org.apache.maven.plugins:maven-jar-plugin/3.3.0/3.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/org.apache.maven.plugins:maven-jar-plugin/3.3.0/3.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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langchain4j-spring-boot-tests/pom.xml

@@ -40,7 +40,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-jar-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.2</version>
                 <executions>
                     <execution>
                         <goals>