[css-fonts-5][editorial] Update changes

Author: svgeesus

css-fonts-5/Overview.bs

@@ -712,6 +712,19 @@ Acknowledgments</h2>
 Changes
 </h2>
 
+<h3 id="changes">Changes since the <a href="https://www.w3.org/TR/2021/WD-css-fonts-5-20211221/">WD of 21 December 2021</a> </h3>
+
+<ul>
+	<!-- to 2 Oct 2023  -->
+	<li>Corrected the initial value for the font-size descriptor</li>
+	<li>Set a range for the grammar of font-size-adjust number</li>
+	<li>Changed grammar of local() to use family-name instead for font-face-name</li>
+	<li>Updated to current incremental font download keywords</li>
+	<li>Made make feature-* plural for consistency with CSS Conditional 5, and 11.1 Font tech</li>
+	<li>Normalized infinity to ∞ in range notation </li>
+	<li>Fixed a typo in the tech() function</li>
+</ul>
+
 <h3 id="changes-20210729">Changes since the <a href="https://www.w3.org/TR/2021/WD-css-fonts-5-20210729/">WD of 2021-07-29</a></h3>
 
 <ul>