Update dependency org.apache.maven.plugins:maven-source-plugin to v3.3.1

Author: renovate[bot]

core/pom.xml

@@ -216,7 +216,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-source-plugin</artifactId>
-          <version>3.3.0</version>
+          <version>3.3.1</version>
         </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>