Bump maven-source-plugin from 3.1.0 to 3.2.0

Bumps [maven-source-plugin](https://github.com/apache/maven-source-plugin) from 3.1.0 to 3.2.0.
- [Release notes](https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.1.0...maven-source-plugin-3.2.0)

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

pom.xml

@@ -21,7 +21,7 @@
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
         <maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
-        <maven-source-plugin.version>3.1.0</maven-source-plugin.version>
+        <maven-source-plugin.version>3.2.0</maven-source-plugin.version>
         <mockito.version>3.0.0</mockito.version>
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>