Rename rcs test package (#94561)

Author: n1v0lg

x-pack/plugin/security/qa/security-trial/src/javaRestTest/java/org/elasticsearch/xpack/security/remoteaccess/CrossClusterAccessHeadersForCcsRestIT.java renamed to x-pack/plugin/security/qa/security-trial/src/javaRestTest/java/org/elasticsearch/xpack/security/crossclusteraccess/CrossClusterAccessHeadersForCcsRestIT.java

@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-package org.elasticsearch.xpack.security.remoteaccess;
+package org.elasticsearch.xpack.security.crossclusteraccess;
 
 import org.apache.http.HttpEntity;
 import org.apache.http.entity.ContentType;

x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/remoteaccess/CrossClusterAccessAuthenticationServiceIntegTests.java renamed to x-pack/plugin/security/src/test/java/org/elasticsearch/xpack/security/crossclusteraccess/CrossClusterAccessAuthenticationServiceIntegTests.java

@@ -5,7 +5,7 @@
  * 2.0.
  */
 
-package org.elasticsearch.xpack.security.remoteaccess;
+package org.elasticsearch.xpack.security.crossclusteraccess;
 
 import org.elasticsearch.ElasticsearchSecurityException;
 import org.elasticsearch.action.admin.cluster.state.ClusterStateAction;