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

Author: Apify Release Bot

CHANGELOG.md

@@ -2,8 +2,7 @@
 
 All notable changes to this project will be documented in this file.
 
-<!-- git-cliff-unreleased-start -->
-## 0.6.12 - **not yet released**
+## [0.6.12](https://github.com/apify/crawlee-python/releases/tag/v0.6.12) (2025-07-30)
 
 ### 🚀 Features
 
@@ -12,9 +11,11 @@ All notable changes to this project will be documented in this file.
 ### 🐛 Bug Fixes
 
 - Use `perf_counter_ns` for request duration tracking ([#1260](https://github.com/apify/crawlee-python/pull/1260)) ([9e92f6b](https://github.com/apify/crawlee-python/commit/9e92f6b54400ce5004fbab770e2e4ac42f73148f)) by [@Pijukatel](https://github.com/Pijukatel), closes [#1256](https://github.com/apify/crawlee-python/issues/1256)
+- Ignore unknown parameters passed in cookies (#1336) ([0f2610c](https://github.com/apify/crawlee-python/commit/0f2610c0ee1154dc004de60fc57fe7c9f478166a))
+- Fix memory estimation not working on MacOS (#1330) ([8558954](https://github.com/apify/crawlee-python/commit/8558954feeb7d5e91378186974a29851fedae9c8))
+- Fix retry count to not count the original request (#1328) ([1aff3aa](https://github.com/apify/crawlee-python/commit/1aff3aaf0cdbe452a3731192449a445e5b2d7a63))
 
 
-<!-- git-cliff-unreleased-end -->
 ## [0.6.11](https://github.com/apify/crawlee-python/releases/tag/v0.6.11) (2025-06-23)
 
 ### 🚀 Features