CreatingSubRepository: update gophers team

The google-go-team team is being used now.

Change-Id: I0b404a07392c1256ef6a70c5bee143db6baf7b40
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/566575
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
diff --git a/CreatingSubRepository.md b/CreatingSubRepository.md
index d51a537..a200268 100644
--- a/CreatingSubRepository.md
+++ b/CreatingSubRepository.md
@@ -16,7 +16,7 @@
 	- Turn off Wikis, Issues, Projects in repository settings.
 	- On "Manage access" tab:
 		- Add "golang org admins" team with Admin access.
-		- Add "gophers" team with Write access.
+		- Add "google-go-team" team with Write access.
 		- Add "robots" team with Write access (can only be done by a maintainer of golang organization; ask someone else if you're not).
 3. Modify the `x/build/repos` package.
 4. Update x/website's version of x/build to include modified `x/build/repos` package.