chore: update CHANGELOG with PR #176 for timeout test changes

Author: NguyenHoangSon96

CHANGELOG.md

@@ -8,6 +8,7 @@
 1. [#167](https://github.com/InfluxCommunity/influxdb3-python/pull/167): 
     - Remove incorrect symbol `>>` for config.yml.
     - Added spacing for `<<` and `>>` just for consistency.
+1. [176](https://github.com/InfluxCommunity/influxdb3-python/pull/176): Use `ConstantFlightServerDelayed` for timeout tests.
 
 ## 0.16.0 [2025-09-15]