editorial: Update changelog (#2379)

Editorial: Update changelog for core-aam CR snapshot

core-aam/index.html

@@ -11077,6 +11077,7 @@ <h2>Change Log</h2>
         <h2>Substantive changes since the last <a href="https://www.w3.org/TR/2022/CR-core-aam-1.2-20221122/">Candidate Recommendation Snapshot</a></h2>
         <ul>
           <!-- EdNote: After each WD publish, move contents of this list into the next one below. -->
+          <li>14-Nov-2022: add new AX API mappings for colindextext/rowindextext</li>
           <li>4-Jan-2024: Fix: errant computed role for treegrid row</li>
           <li>31-Oct-2023: Update UIA aria-readonly mappings</li>
           <li>31-Oct-2023: Add aria-haspopup='grid' mappings</li>