chore(release): release version 2.12.4 (#390)

Author: bednar

CHANGELOG.md

@@ -1,9 +1,9 @@
-## [unreleased]
+## 2.12.4 [2023-11-03]
 
 ### Bug fixes
 
 - [#386](https://github.com/influxdata/influxdb-client-go/pull/386) Remove deprecated pkg/errors
-- [#387](https://github.com/influxdata/influxdb-client-go/pull/387) Upgrade deepmap/oapi-codegen
+- [#387](https://github.com/influxdata/influxdb-client-go/pull/387) Upgrade `deepmap/oapi-codegen`
 
 ## 2.12.3 [2023-03-29]
 ### Bug fixes