fix: link formatting in CHANGELOG.md (#699)

Author: bednar

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 ### Features
 
-1. [696](https://github.com/influxdata/influxdb-client-python/pull/696): Move "setuptools" package to build dependency.
+1. [#696](https://github.com/influxdata/influxdb-client-python/pull/696): Move "setuptools" package to build dependency.
 
 ## 1.49.0 [2025-05-22]