Fix the link to the Web Platform Tests (#635)

SHA: 1b8a527
Reason: push, by samuelgoto

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

index.html

@@ -6,7 +6,7 @@
   <meta content="WD" name="w3c-status">
   <meta content="Bikeshed version 82ce88815, updated Thu Sep 7 16:33:55 2023 -0700" name="generator">
   <link href="http://www.w3.org/TR/fedcm/" rel="canonical">
-  <meta content="beadf81555b0d51cd53667661f091bafe57cfa46" name="document-revision">
+  <meta content="1b8a527d6e6d0cb464f93269014d511d7e949c13" name="document-revision">
 <style>
 dl.domintro dt {
     font-family: Menlo, Consolas, "DejaVu Sans Mono", Monaco, monospace;
@@ -712,7 +712,7 @@ <h1 class="p-name no-ref" id="title">Federated Credential Management API</h1>
       <dt>History:
       <dd><a class="u-url" href="https://www.w3.org/standards/history/fedcm-1/">https://www.w3.org/standards/history/fedcm-1/</a>
       <dt>Test Suite:
-      <dd><a href="https://github.com/web-platform-tests/wpt/blob/master/credential-management/">https://github.com/web-platform-tests/wpt/blob/master/credential-management/</a>
+      <dd><a href="https://github.com/web-platform-tests/wpt/tree/master/fedcm">https://github.com/web-platform-tests/wpt/tree/master/fedcm</a>
       <dt>Feedback:
       <dd><a href="https://github.com/w3c-fedid/FedCM/issues/">GitHub</a>
       <dd><a href="#issues-index">Inline In Spec</a>