chore(ci): update lanelet2_extension version for build

Signed-off-by: Mamoru Sobue <mamoru.sobue@tier4.jp>

Author: soblin

build_depends.repos

@@ -16,7 +16,7 @@ repositories:
   core/autoware_lanelet2_extension:
     type: git
     url: https://github.com/autowarefoundation/autoware_lanelet2_extension.git
-    version: 0.5.0
+    version: 0.6.1
   core/autoware.core:
     type: git
     url: https://github.com/autowarefoundation/autoware.core.git