build(deps): bump org.apache.maven.plugins:maven-source-plugin

Bumps [org.apache.maven.plugins:maven-source-plugin](https://github.com/apache/maven-source-plugin) from 3.2.1 to 3.4.0.
- [Release notes](https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.2.1...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
...

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

Author: dependabot[bot]

pom.xml

@@ -44,7 +44,7 @@
     <maven-release-plugin.version>3.3.1</maven-release-plugin.version>
     <maven-resources-plugin.version>3.4.0</maven-resources-plugin.version>
     <maven-site-plugin.version>4.0.0-M16</maven-site-plugin.version>
-    <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
+    <maven-source-plugin.version>3.4.0</maven-source-plugin.version>
     <maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>
     <maven-shade-plugin.version>3.6.1</maven-shade-plugin.version>
     <build-helper-maven-plugin.version>3.6.1</build-helper-maven-plugin.version>