cmd/googlegolangorg: point to pkg.go.dev

Change the redirects to pkg.go.dev from godoc.org

Change-Id: Iecb1f6b16881bedaa47d65427b75b90baa2ae02a
Reviewed-on: https://go-review.googlesource.com/c/website/+/282292
Trust: Jonathan Amsterdam <jba@google.com>
Run-TryBot: Jonathan Amsterdam <jba@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Julie Qiu <julie@golang.org>
diff --git a/cmd/googlegolangorg/main.go b/cmd/googlegolangorg/main.go
index 5b3be76..daf3966 100644
--- a/cmd/googlegolangorg/main.go
+++ b/cmd/googlegolangorg/main.go
@@ -22,7 +22,7 @@
 	},
 	"cloud": {
 		// This repo is now at "cloud.google.com/go", but still specifying the repo
-		// here gives nicer errors in godoc.org and the go tool.
+		// here gives nicer errors in the go tool.
 		VCS: "git",
 		URL: "https://github.com/googleapis/google-cloud-go",
 		Src: github("googleapis/google-cloud-go"),
@@ -52,7 +52,7 @@
 	Src *src
 }
 
-// src represents a godoc.org source redirect.
+// src represents a pkg.go.dev source redirect.
 // https://github.com/golang/gddo/search?utf8=%E2%9C%93&q=sourceMeta
 type src struct {
 	URL     string
@@ -107,8 +107,8 @@
 		http.NotFound(w, r)
 		return
 	}
-	godoc := "https://godoc.org/google.golang.org/" + head + tail
-	// For users visting in a browser, redirect straight to godoc.org.
+	godoc := "https://pkg.go.dev/google.golang.org/" + head + tail
+	// For users visting in a browser, redirect straight to pkg.go.dev.
 	if isBrowser := r.FormValue("go-get") == ""; isBrowser {
 		http.Redirect(w, r, godoc, http.StatusFound)
 		return