chore(release): Update changelog and package version [skip ci]

Author: apify-service-account

CHANGELOG.md

@@ -2,15 +2,13 @@
 
 All notable changes to this project will be documented in this file.
 
-<!-- git-cliff-unreleased-start -->
-## 3.0.4 - **not yet released**
+## [3.0.4](https://github.com/apify/apify-client-python/releases/tag/v3.0.4) (2026-06-26)
 
 ### 🐛 Bug Fixes
 
 - Fix casing in `isAtHome` in `User-Agent` header ([#903](https://github.com/apify/apify-client-python/pull/903)) ([1e50374](https://github.com/apify/apify-client-python/commit/1e50374e91bc39282bc724f77770963a14e051eb)) by [@Pijukatel](https://github.com/Pijukatel)
 
 
-<!-- git-cliff-unreleased-end -->
 ## [3.0.3](https://github.com/apify/apify-client-python/releases/tag/v3.0.3) (2026-06-18)
 
 ### 🐛 Bug Fixes