Update dependency org.apache.maven.plugins:maven-source-plugin to v3.4.0 (#81)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -127,7 +127,7 @@
         <plugins>
             <plugin>
                 <artifactId>maven-source-plugin</artifactId>
-                <version>3.3.1</version>
+                <version>3.4.0</version>
                 <executions>
                     <execution>
                         <id>attach-sources</id>