Bump org.apache.maven.plugins:maven-source-plugin in the maven group

Bumps the maven group with 1 update: [org.apache.maven.plugins:maven-source-plugin](https://github.com/apache/maven-source-plugin).


Updates `org.apache.maven.plugins:maven-source-plugin` from 3.3.1 to 3.4.0
- [Release notes](https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.3.1...maven-source-plugin-3.4.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-source-plugin
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: maven
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -57,7 +57,7 @@
     <maven-jaxb2-plugin.version>0.15.2</maven-jaxb2-plugin.version>
     <jacoco-maven-plugin.version>0.8.14</jacoco-maven-plugin.version>
     <maven-javadoc-plugin.version>3.12.0</maven-javadoc-plugin.version>
-    <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
+    <maven-source-plugin.version>3.4.0</maven-source-plugin.version>
     <maven-gpg-plugin.version>3.2.8</maven-gpg-plugin.version>
     <maven-release-plugin.version>3.2.0</maven-release-plugin.version>
     <nexus-staging-maven-plugin.version>1.7.0</nexus-staging-maven-plugin.version>