update release date

Author: haifengl

index.html

@@ -174,7 +174,7 @@
     <h5>Latest News</h5>
     <ul class="list-unstyled">
       <li><a href="https://github.com/haifengl/smile/releases/tag/v4.2.0">Smile 4.2.0 Released!</a>
-        <span class="small">(Feb 2, 2025)</span></li>
+        <span class="small">(Feb 1, 2025)</span></li>
 
       <li><a href="https://github.com/haifengl/smile/releases/tag/v4.1.0">Smile 4.1.0 Released!</a>
         <span class="small">(Jan 12, 2025)</span></li>