docs: update CHANGELOG.md

Author: bednar

CHANGELOG.md

@@ -12,6 +12,9 @@
 1. [#518](https://github.com/influxdata/influxdb-client-python/pull/518): Parsing query response with two-bytes UTF-8 character [async/await]
 1. [#521](https://github.com/influxdata/influxdb-client-python/pull/521): Duplicated `debug` output
 
+### CI
+1. [#523](https://github.com/influxdata/influxdb-client-python/pull/523): Add Python 3.11 to CI builds
+
 ## 1.33.0 [2022-09-29]
 
 ### Features