Change <ol> to <ul> when no order is intended (normative) (#3756)

Sibling PR to #3518


<!--
    This comment and the below content is programmatically generated.
    You may add a comma-separated list of anchors you'd like a
    direct link to below (e.g. #idl-serializers, #idl-sequence):

    Don't remove this comment or modify anything below this line.
    If you don't want a preview generated for this pull request,
    just replace the whole of this comment's content by "no preview"
    and remove what's below.
-->
***
<a href="https://pr-preview.s3.amazonaws.com/w3c/wcag/pull/3756.html"
title="Last updated on Mar 23, 2024, 4:00 PM UTC (cff6720)">Preview</a>
| <a
href="https://pr-preview.s3.amazonaws.com/w3c/wcag/3756/bf44269...cff6720.html"
title="Last updated on Mar 23, 2024, 4:00 PM UTC (cff6720)">Diff</a>

Author: patrickhlauke

guidelines/sc/22/accessible-authentication-minimum.html

@@ -19,10 +19,10 @@ <h4>Accessible Authentication (Minimum)</h4>
 
     <p class="note">"Object recognition" and "Personal content" may be represented by images, video, or audio.</p>
     <div class="note">Examples of mechanisms that satisfy this criterion include:
-        <ol>
+        <ul>
             <li>support for password entry by password managers to reduce memory need, and</li>
             <li>copy and paste to reduce the cognitive burden of re-typing.</li>
-        </ol>
+        </ul>
     </div>
 
  </section>

guidelines/terms/20/changes-of-context.html

@@ -7,7 +7,7 @@
 
    <p>Changes in context include changes of:</p>
 
-   <ol>
+   <ul>
 
       <li><a>user agent</a>;
       </li>
@@ -20,7 +20,7 @@
       <li><a>content</a> that changes the meaning of the <a>web page</a>
       </li>
 
-   </ol>
+   </ul>
 
    <p class="note">A change of content is not always a change of context. Changes in content, such as
       an expanding outline, dynamic menu, or a tab control do not necessarily change the

guidelines/terms/20/general-flash-and-red-flash-thresholds.html

@@ -4,7 +4,7 @@
    <p>a <a>flash</a> or rapidly changing image sequence is below the threshold (i.e., content <strong>passes</strong>) if any of the following are true:
    </p>
 
-   <ol>
+   <ul>
 
       <li>there are no more than three <strong>general flashes</strong> and / or no more than three <strong>red flashes</strong> within any one-second period; or
       </li>
@@ -14,7 +14,7 @@
          degree visual field on the screen) at typical viewing distance
       </li>
 
-   </ol>
+   </ul>
 
    <p>where:</p>
 

guidelines/terms/20/structure.html

@@ -1,14 +1,14 @@
 <dt><dfn id="dfn-structure">structure</dfn></dt>
 <dd>
 
-   <ol>
+   <ul>
 
       <li>The way the parts of a <a>web page</a> are organized in relation to each other; and
       </li>
 
       <li>The way a collection of <a>web pages</a> is organized
       </li>
 
-   </ol>
+   </ul>
 
 </dd>