Update now git-credential-cache is available on Windows

Since v2.45.0.windows.1 git-for-windows/git@2406bf5

Author: hickford

content/doc/credential-helpers.html

@@ -15,7 +15,7 @@ <h2>Included in Git</h2>
 
   <ul>
     <li><a href="https://git-scm.com/docs/git-credential-store">git-credential-store</a>: saves credentials in plaintext.</li>
-    <li><a href="https://git-scm.com/docs/git-credential-cache">git-credential-cache</a>: holds credentials temporarily in process memory. <a href="https://github.com/git-for-windows/git/issues/3892">Not available on Windows</a>. (Note that since credentials are lost when the cache expires or system restarts, this is inconvenient to store long-lived personal access tokens.)</li>
+    <li><a href="https://git-scm.com/docs/git-credential-cache">git-credential-cache</a>: holds credentials temporarily in process memory. (Note that since credentials are lost when the cache expires or system restarts, this is inconvenient to store long-lived personal access tokens.)</li>
   </ul>
 
   <h2>Platform specific storage</h2>