Fix author link to be clickable in the Steering Committee section.

Author: yegor256

pages/2026.md

@@ -94,7 +94,7 @@ The money will be sent to you in Bitcoins or ERC20 USDT.
 ## Steering Committee
 
 ![medvednikov](https://github.com/medvednikov.png)
-[medvednikov](https://github.com/medvednikov)
+[@medvednikov](https://github.com/medvednikov)
 {: .jury}
 
 ![sobolevn](https://github.com/sobolevn.png)