Bump actions/setup-node from 5 to 6

SHA: df9d1d5
Reason: push, by jgraham

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

Author: dependabot[bot]

index.html

@@ -8,7 +8,7 @@
   <meta content="Bikeshed version 3f621ba99, updated Mon Jul 28 15:38:36 2025 -0700" name="generator">
   <link href="https://www.w3.org/TR/webdriver-bidi/" rel="canonical">
   <link href="https://www.w3.org/2008/site/images/favicon.ico" rel="icon">
-  <meta content="18639ef3612d3ad5bbd302cd8e6ef0e6f81119c2" name="revision">
+  <meta content="df9d1d5bf17a81d72f9e1090fc9b354279099a48" name="revision">
   <meta content="dark light" name="color-scheme">
   <link href="https://www.w3.org/StyleSheets/TR/2021/dark.css" media="(prefers-color-scheme: dark)" rel="stylesheet" type="text/css">
 <style>
@@ -650,7 +650,7 @@
 </p>
    <h1 class="p-name no-ref" id="title">WebDriver BiDi</h1>
    <p id="w3c-state"><a href="https://www.w3.org/standards/types/#ED">Editor’s Draft</a>,
-    <time class="dt-updated" datetime="2025-10-07">7 October 2025</time></p>
+    <time class="dt-updated" datetime="2025-10-20">20 October 2025</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">