Avoid non-normative uses of "may"

SHA: d458e07
Reason: push, by padenot

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

video_frame_metadata_registry.html

@@ -7,7 +7,7 @@
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   <meta content="Bikeshed version 82ce88815, updated Thu Sep 7 16:33:55 2023 -0700" name="generator">
   <link href="https://www.w3.org/TR/webcodecs-video-frame-metadata-registry/" rel="canonical">
-  <meta content="724ad876ed1cbd5bb8a0c8117d47c9fffc01e8b6" name="document-revision">
+  <meta content="d458e079d6fa6d1e9d113066abb8f2e193fd86ff" name="document-revision">
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@@ -465,7 +465,7 @@
   <div class="head">
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    <h1 class="p-name no-ref" id="title">WebCodecs VideoFrame Metadata Registry</h1>
-   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2024-02-28">28 February 2024</time></p>
+   <p id="w3c-state"><a href="https://www.w3.org/standards/types#ED">Editor’s Draft</a>, <time class="dt-updated" datetime="2024-02-29">29 February 2024</time></p>
    <details open>
     <summary>More details about this document</summary>
     <div data-fill-with="spec-metadata">