dns: fix dns.md

PR-URL: #39987
Fixes: #31566
Refs: #6307
Refs: #20710
Refs: #38099
Reviewed-By: Antoine du Hamel <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>

Author: treysis

doc/api/dns.md

@@ -171,7 +171,7 @@ section if a custom port is used.
 added: v0.1.90
 changes:
   - version: REPLACEME
-    pr-url: https://github.com/nodejs/node/pull/37681
+    pr-url: https://github.com/nodejs/node/pull/39987
     description: The `verbatim` options defaults to `true` now.
   - version: v8.5.0
     pr-url: https://github.com/nodejs/node/pull/14731