fix(ad-api): fix mrm request message (#668)

Signed-off-by: Takagi, Isamu <isamu.takagi@tier4.jp>

Author: isamu-takagi

docs/design/autoware-interfaces/ad-api/types/autoware_adapi_v1_msgs/msg/MrmRequest.md

@@ -14,8 +14,8 @@ uint16 UNKNOWN = 0
 uint16 CANCEL = 1    # Cancel the MRM request.
 uint16 DELEGATE = 2  # Delegate the selection of MRM behavior to Autoware.
 
+string sender        # The identifier of the request sender.
 uint16 strategy
-string user      # The identifier of the request sender.
 ```
 
 {% endblock %}

yaml/autoware-interfaces.yaml

@@ -118,8 +118,8 @@ types:
       state: uint16
   autoware_adapi_v1_msgs/msg/MrmRequest:
     msg:
+      sender: string
       strategy: uint16
-      user: string
   autoware_adapi_v1_msgs/msg/MrmRequestList:
     msg:
       requests: autoware_adapi_v1_msgs/msg/MrmRequest[]