exclude spring6-data from java docs as it is not compatible with Spring Boot 3.x

Author: salaboy

pom.xml

@@ -663,7 +663,7 @@
           <failOnError>true</failOnError>
           <goal>site</goal>
           <notimestamp>true</notimestamp>
-          <excludePackageNames>io.dapr.examples:io.dapr.springboot:io.dapr.examples.*:io.dapr.springboot.*
+          <excludePackageNames>io.dapr.examples:io.dapr.springboot:io.dapr.examples.*:io.dapr.springboot.*:io.dapr.spring6.*
           </excludePackageNames>
         </configuration>
       </plugin>