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

Author: Apify Release Bot

CHANGELOG.md

@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 <!-- git-cliff-unreleased-start -->
 ## 0.6.12 - **not yet released**
 
+### 🐛 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)
+
 
 <!-- git-cliff-unreleased-end -->
 ## [0.6.11](https://github.com/apify/crawlee-python/releases/tag/v0.6.11) (2025-06-23)