fix: update rancher2 config map import command (#2070)

Co-authored-by: Michael <11995847+ip025@users.noreply.github.com>
Co-authored-by: Matt Trachier <matt.trachier@suse.com>

Author: 3 people

docs/resources/config_map_v2.md

@@ -54,5 +54,5 @@ The following attributes are exported:
 V2 configMaps can be imported using the Rancher cluster ID, ConfigMap V2 namespace and name.
 
 ```
-$ terraform import rancher2_config_map_v2.foo <CLUSTER_ID>.<SECRET_V2_NAMESPACE>/<SECRET_V2_NAME>
+$ terraform import rancher2_config_map_v2.foo <CLUSTER_ID>.<CONFIG_MAP_V2_NAMESPACE>/<CONFIG_MAP_V2_NAME>
 ```