fix(how-to-guides/creating-maps-for-autoware): dead link in hdl_graph…

…_slam page (#307)

fix: dead link in hdl_graph_slam page

Signed-off-by: Yukihiro Saito <yukky.saito@gmail.com>

docs/how-to-guides/creating-maps-for-autoware/open-source-slam/hdl-graph-slam/index.md

@@ -130,4 +130,4 @@ Kenji Koide, Jun Miura, and Emanuele Menegatti, A Portable 3D LIDAR-based System
 Kenji Koide, k.koide@aist.go.jp, [https://staff.aist.go.jp/k.koide](https://staff.aist.go.jp/k.koide)
 
 [[Active Intelligent Systems Laboratory, Toyohashi University of Technology, Japan]](http://www.aisl.cs.tut.ac.jp)  
-[[Mobile Robotics Research Team, National Institute of Advanced Industrial Science and Technology (AIST), Japan]](https://unit.aist.go.jp/rirc/en/team/smart_mobility.html)
+[[Mobile Robotics Research Team, National Institute of Advanced Industrial Science and Technology (AIST), Japan]](https://unit.aist.go.jp/hcmrc/mr-rt/contact.html)