doc: add release note for new go/version package

For #62039.

Change-Id: Id19a4c06489ad24dc44c7caf2405d155d96c6fcb
Reviewed-on: https://go-review.googlesource.com/c/go/+/547695
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Bypass: Robert Griesemer <gri@google.com>
Reviewed-by: Robert Griesemer <gri@google.com>
Auto-Submit: Robert Griesemer <gri@google.com>

doc/go1.22.html

@@ -418,12 +418,9 @@ <h3 id="minor_library_changes">Minor changes to the library</h3>
 
 <dl id="go/version"><dt><a href="/pkg/go/version/">go/version</a></dt>
   <dd>
-    <p><!-- https://go.dev/issue/62039 -->
-      TODO: <a href="https://go.dev/issue/62039">https://go.dev/issue/62039</a>: package for handling Go version strings
-    </p>
-
-    <p><!-- CL 538895 -->
-      TODO: <a href="https://go.dev/cl/538895">https://go.dev/cl/538895</a>: go/version: add new package; modified api/next/62039.txt
+    <p><!-- https://go.dev/issue/62039, https://go.dev/cl/538895 -->
+      The new <a href="/pkg/go/version/"><code>go/version</code></a> package implements functions
+      for validating and comparing Go version strings.
     </p>
   </dd>
 </dl><!-- go/version -->