feat(autoware.repos): minor update autowarefoundation/autoware_msgs to 1.7.0 (#6067)

Signed-off-by: github-actions <github-actions@github.com>
Co-authored-by: github-actions <github-actions@github.com>

Author: awf-autoware-bot[bot]

autoware.repos

@@ -3,7 +3,7 @@ repositories:
   core/autoware_msgs:
     type: git
     url: https://github.com/autowarefoundation/autoware_msgs.git
-    version: 1.6.0
+    version: 1.7.0
   # TODO (isamu-takagi): Use a released version when autoware_universe uses a released version.
   core/autoware_adapi_msgs:
     type: git