chore: update example search

Author: DenhamPreen

templates/index.html

@@ -143,8 +143,8 @@ <h3>Event and Transaction density</h3>
         <h4>Example Searches:</h4>
         <ul>
           <li>
-            <span>Blast L2 Bridge - Event Density</span>
-            <button onclick="prefillForm('0x5F6AE08B8AeB7078cf2F96AFb089D7c9f51DA47d', 'event', 'eth')">Fill</button>
+            <span>Uniswap v4 router - Event Density</span>
+            <button onclick="prefillForm('0x66a9893cC07D91D95644AEDD05D03f95e1dBA8Af', 'event', 'eth')">Fill</button>
           </li>
           <li>
             <span>OP Token - Transaction Density</span>