Bump org.apache.maven.plugins:maven-source-plugin from 3.3.1 to 3.4.0 (#140)

Bumps [org.apache.maven.plugins:maven-source-plugin](https://github.com/apache/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
...

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

Author: dependabot[bot]

pom.xml

@@ -41,7 +41,7 @@
     <maven.compiler.target>11</maven.compiler.target>
     <maven.compiler.release>11</maven.compiler.release>
     <maven-compiler-plugin.version>3.14.1</maven-compiler-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-invoker-plugin.version>3.7.0</maven-invoker-plugin.version>
     <maven-failsafe-plugin.version>3.3.1</maven-failsafe-plugin.version>
     <maven-surefire-plugin.version>3.5.4</maven-surefire-plugin.version>