Bump maven-source-plugin from 3.0.1 to 3.2.1

Bumps [maven-source-plugin](/~https://github.com/apache/maven-source-plugin) from 3.0.1 to 3.2.1.
- [Release notes](/~https://github.com/apache/maven-source-plugin/releases)
- [Commits](apache/maven-source-plugin@maven-source-plugin-3.0.1...maven-source-plugin-3.2.1)

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

pom.xml

@@ -141,7 +141,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>3.0.1</version>
+          <version>3.2.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>