Merge pull request #8 from 1and1/dependabot/maven/org.apache.maven.plugins-maven-source-plugin-3.3.0

Bump maven-source-plugin from 3.2.1 to 3.3.0

Author: sfuhrm

pom.xml

@@ -131,7 +131,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-source-plugin</artifactId>
-        <version>3.2.1</version>
+        <version>3.3.0</version>
         <executions>
           <execution>
             <id>attach-sources</id>