Fix javadoc build failure - Fixes
<title>Security APIs</title>
<packages>org.apache.ignite.plugin.security:org.apache.ignite.ssl</packages>
</group>
+ <group>
+ <title>Maintenance APIs</title>
+ <packages>org.apache.ignite.maintenance</packages>
+ </group>
<group>
<title>MXBeans classes</title>
<packages>org.apache.ignite.mbean:org.apache.ignite.mxbean</packages>
<title>Yarn Integration</title>
<packages>org.apache.ignite.yarn*</packages>
</group>
+ <group>
+ <title>Kubernetes Integration</title>
+ <packages>org.apache.ignite.kubernetes*</packages>
+ </group>
<group>
<title>Platforms</title>
<packages>org.apache.ignite.platform*</packages>
