internal/gophers: update Alex Crawford e-mail address

Fixes golang/go#68997

Change-Id: Ifbb0f9deec52f57833f2fdf40952d1c4e69d4f3f
Reviewed-on: https://go-review.googlesource.com/c/build/+/607655
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>

internal/gophers/gophers.go

@@ -241,7 +241,7 @@ func init() {
 	addPerson("Alex Bramley", "a.bramley@gmail.com", "@fluffle")
 	addPerson("Alex Browne", "stephenalexbrowne@gmail.com", "@albrow")
 	addPerson("Alex Carol", "alex.carol.c@gmail.com", "@alexcarol")
-	addPerson("Alex Crawford", "alex@acrawford.com")
+	addPerson("Alex Crawford", "golang@code.acrawford.com")
 	addPerson("Alex Flint", "alex.flint@gmail.com")
 	addPerson("Alex Jin", "toalexjin@gmail.com", "@toalexjin")
 	addPerson("Alex Kohler", "alexjohnkohler@gmail.com", "@alexkohler")