SNOW-694457: changelog update

Author: sfc-gh-fpawlowski

DESCRIPTION.md

@@ -12,6 +12,7 @@ Source code is also available at: https://github.com/snowflakedb/snowflake-conne
     - This allows headless environments (like Docker or Airflow) running locally to auth via a browser URL.
   - Fix compilation error when building from sources with libc++.
   - Pin lower versions of dependencies to oldest version without vulnerabilities.
+  - Added no_proxy parameter for proxy configuration without using environmental variables.
 
 - v4.0.0(October 09,2025)
   - Added support for checking certificates revocation using revocation lists (CRLs)