Force Rust cache for GitHub workflow to cddl version 0.9.1

SHA: 9ddaeb4
Reason: push, by jgraham

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

index.html

@@ -7,7 +7,7 @@
   <link href="https://www.w3.org/StyleSheets/TR/2021/W3C-ED" rel="stylesheet">
   <meta content="Bikeshed version 82ce88815, updated Thu Sep 7 16:33:55 2023 -0700" name="generator">
   <link href="https://w3c.github.io/webdriver-bidi/" rel="canonical">
-  <meta content="a152dbf4bc385bbde16e9436f1909735f985a67b" name="document-revision">
+  <meta content="9ddaeb4ee371c843d96d8b94a3c1efe19e9e70a2" name="document-revision">
 <style>
 var {
   color: #cd5c5c
@@ -544,7 +544,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="https://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2021/logos/W3C" width="72"> </a> </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="2023-12-05">5 December 2023</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2023-12-12">12 December 2023</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">