docs: add changelog entry

Signed-off-by: Abhijeet Saharan <abhijeetsaharan2236@gmail.com>

Author: Abhijeet2409

CHANGELOG.md

@@ -7,7 +7,7 @@ This changelog is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.
 ## [Unreleased]
 
 ### Src
-- 
+- Enforce reproducible and consistent builds using `uv.lock` and frozen installs across workflows. (#2057)
 
 ### Tests
 - Refactor `mock_server` setup for network level TLS handling and added thread safety