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

Author: github-actions[bot]

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file.
 ### 🐛 Bug Fixes
 
 - Fix f-string bugs in charging log message ([#817](https://github.com/apify/apify-sdk-python/pull/817)) ([bcb4050](https://github.com/apify/apify-sdk-python/commit/bcb4050b3f5ade0e577dd7499979dc65c0ba815e)) by [@vdusek](https://github.com/vdusek)
+- Fix BeforeValidator treating 0 as falsy in configuration fields ([#819](https://github.com/apify/apify-sdk-python/pull/819)) ([72efe88](https://github.com/apify/apify-sdk-python/commit/72efe883574ef0d05795934337c7f1c8c0d11877)) by [@vdusek](https://github.com/vdusek)
 
 
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