Bump org.apache.maven.plugins:maven-source-plugin from 3.3.1 to 3.4.0 (#1531)

Author: dependabot[bot]

bunsen/pom.xml

@@ -260,7 +260,7 @@
 
         <plugin>
           <artifactId>maven-source-plugin</artifactId>
-          <version>3.3.1</version>
+          <version>3.4.0</version>
         </plugin>
 
         <plugin>
@@ -709,7 +709,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>
-            <version>3.3.1</version>
+            <version>3.4.0</version>
             <executions>
               <execution>
                 <id>attach-sources</id>