Update dependency org.apache.maven.plugins:maven-source-plugin to v3.4.0

Author: renovate[bot]

com.api.json.api4json/pom.xml

@@ -81,7 +81,7 @@
 				<inherited>true</inherited>
 		        <groupId>org.apache.maven.plugins</groupId>
 		        <artifactId>maven-source-plugin</artifactId>
-		        <version>3.2.1</version>
+		        <version>3.4.0</version>
 		        <executions>
 		          <execution>
 		            <!-- This id must match the -Prelease-profile id value or else sources will be "uploaded" twice, which causes Nexus to fail -->