Upgrade to sonatype oss-parent version 9 and maven-javadoc-plugin version 2.10.3

• Type: Task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: None
• Fix Version/s: liferay-faces-2.1.5-ga6, liferay-faces-2.2.5-ga6, liferay-faces-3.0.5-legacy-ga6, liferay-faces-3.0.5-ga6, liferay-faces-3.1.5-ga6, liferay-faces-3.2.5-ga6, liferay-faces-4.2.5-ga6
• Component/s: ZZZ: Legacy - POM
• Labels: None

This task involves upgrading the parent-most pom.xml descriptor to sonatype oss-parent version 9 (the latest version). In addition, it is necessary to upgrade to the maven-javadoc-plugin version 2.10.3 in order to avoid MJAVADOC-275 during the GA6 release process.