Update dependency org.apache.maven.plugins:maven-javadoc-plugin to v3.6.0

Author: renovate[bot]

pom.xml

@@ -130,7 +130,7 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-javadoc-plugin</artifactId>
-					<version>3.1.1</version>
+					<version>3.6.0</version>
 				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
@@ -470,7 +470,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.1.1</version>
+				<version>3.6.0</version>
 				<configuration>
 					<additionalOptions>-html5</additionalOptions>
 					<excludePackageNames>ch.powerunit.extensions.exceptions.impl*:ch.powerunit.extensions.exceptions.impl</excludePackageNames>