_content/doc/diagnostics.html: update Delve link

Change-Id: I66e8a4d54c89596e4cdc4882ace7b50166efbf28
Reviewed-on: https://go-review.googlesource.com/c/website/+/781561
Reviewed-by: Olivier Mengué <olivier.mengue@gmail.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: David Chase <drchase@google.com>
diff --git a/_content/doc/diagnostics.html b/_content/doc/diagnostics.html
index da614eb..f7717c1 100644
--- a/_content/doc/diagnostics.html
+++ b/_content/doc/diagnostics.html
@@ -305,7 +305,7 @@
 
 <ul>
 <li>
-<a href="https://github.com/derekparker/delve">Delve</a>:
+<a href="https://github.com/go-delve/delve">Delve</a>:
 Delve is a debugger for the Go programming language. It has
 support for Go’s runtime concepts and built-in types. Delve is
 trying to be a fully featured reliable debugger for Go programs.