doc: add release note for go/types/PkgNameOf

For #62037.

Change-Id: Id1d02f88205e5ea62662e78c8313731ec9e55b1e
Reviewed-on: https://go-review.googlesource.com/c/go/+/546975
Reviewed-by: Alan Donovan <[email protected]>
TryBot-Bypass: Robert Griesemer <[email protected]>
Reviewed-by: Robert Griesemer <[email protected]>
Auto-Submit: Robert Griesemer <[email protected]>

Author: griesemer

doc/go1.22.html

@@ -508,8 +508,9 @@ <h3 id="minor_library_changes">Minor changes to the library</h3>
 
 <dl id="go/types"><dt><a href="/pkg/go/types/">go/types</a></dt>
   <dd>
-    <p><!-- https://go.dev/issue/62037 -->
-      TODO: <a href="https://go.dev/issue/62037">https://go.dev/issue/62037</a>: add Info.PkgName method
+    <p><!-- https://go.dev/issue/62037, CL 541575 -->
+      The new helper method <a href="/pkg/go/types#Info.PkgNameOf"><code>PkgNameOf</code></a> returns the local package name
+      for the given import declaration.
     </p>
 
     <p><!-- https://go.dev/issue/63223 -->
@@ -523,10 +524,6 @@ <h3 id="minor_library_changes">Minor changes to the library</h3>
       <code>types.SizesFor("gc", "amd64")</code>.
     </p>
 
-    <p><!-- CL 541575 -->
-      TODO: <a href="https://go.dev/cl/541575">https://go.dev/cl/541575</a>: go/types, types2: implement Info.PkgNameOf; modified api/next/62037.txt
-    </p>
-
     <p><!-- CL 541737 -->
       TODO: <a href="https://go.dev/cl/541737">https://go.dev/cl/541737</a>: go/types, types2: implement Alias proposal (export API); modified api/next/63223.txt
     </p>