_content/doc: fix the contribute guide's query for issues on GitHub

It add 'go.dev/cl' on the GitHub issue tracker queries, and their links,
for issues with and without a suggested change.

Fixes golang/go#54546

Change-Id: I5e6852f39181e4169af0a67a409f11581c201138
Reviewed-on: https://go-review.googlesource.com/c/website/+/424974
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Suzy Mueller <suzmue@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Jamal Carvalho <jamal@golang.org>

_content/doc/contribute.html

@@ -333,10 +333,10 @@ You can use GitHub's search functionality to find issues to help out with. Examp
 	Issues that need a fix: <a href="https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3ANeedsFix"><code>is:issue is:open label:NeedsFix</code></a>
 	</li>
 	<li>
-	Issues that need a fix and have a suggested change: <a href="https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3ANeedsFix+%22golang.org%2Fcl%22"><code>is:issue is:open label:NeedsFix "golang.org/cl"</code></a>
+	Issues that need a fix and have a suggested change: <a href="https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3ANeedsFix+%28%22golang.org%2Fcl%22+OR+%22go.dev%2Fcl%22%29"><code>is:issue is:open label:NeedsFix ("golang.org/cl" OR "go.dev/cl")</code></a>
 	</li>
 	<li>
-	Issues that need a fix and do not have a suggested change: <a href="https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3ANeedsFix+NOT+%22golang.org%2Fcl%22"><code>is:issue is:open label:NeedsFix NOT "golang.org/cl"</code></a>
+	Issues that need a fix and do not have a suggested change: <a href="https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+label%3ANeedsFix+NOT+%22golang.org%2Fcl%22+NOT+%22go.dev%2Fcl%22"><code>is:issue is:open label:NeedsFix NOT "golang.org/cl" NOT "go.dev/cl"</code></a>
 	</li>
 </ul>