Bump maven-source-plugin from 3.2.0 to 3.2.1

Bumps [maven-source-plugin](https://github.com/apache/maven-source-plugin) from 3.2.0 to 3.2.1.
- [Release notes](https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.2.0...maven-source-plugin-3.2.1)

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

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

Author: dependabot[bot]

pom.xml

@@ -79,7 +79,7 @@
     <maven.gpg.plugin.version>1.6</maven.gpg.plugin.version>
     <buildnumber.plugin.version>1.4</buildnumber.plugin.version>
     <maven-resources-plugin.version>3.1.0</maven-resources-plugin.version>
-    <maven-source-plugin.version>3.2.0</maven-source-plugin.version>
+    <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
     <maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
     <maven.jar.plugin.version>3.2.0</maven.jar.plugin.version>
     <asciidoctor.maven.plugin.version>2.2.1</asciidoctor.maven.plugin.version>