GoUsers: update Kyash.inc link to the valid one

Change-Id: I1dd6bcd4d80576f0090005da8444b270599bec68
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/622795
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Commit-Queue: Ian Lance Taylor <iant@golang.org>

GoUsers.md

diff --git a/GoUsers.md b/GoUsers.md
index 5be8fe9..9b7f5df 100644
--- a/GoUsers.md
+++ b/GoUsers.md
@@ -836,7 +836,7 @@
   * [KLab Inc.](http://www.klab.com/jp/english/)
   * [Knowledge Work Inc.](https://kwork.studio/)
   * [KRPEO](https://rikitake.jp/)
-  * [Kyash Inc](https://kyash.co/en/)
+  * [Kyash Inc](https://page.kyash.co/)
   * [LayerX, Inc](https://layerx.co.jp/)
   * [LEAN BODY Inc.](https://lean-body.co.jp/)
   * [Link-U Inc.](https://www.link-u.co.jp/)