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

Author: Apify Release Bot

CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to this project will be documented in this file.
 ### 🚀 Features
 
 - Add `validate_input` endpoint ([#396](https://github.com/apify/apify-client-python/pull/396)) ([1c5bf85](https://github.com/apify/apify-client-python/commit/1c5bf8550ffd91b94ea83694f7c933cf2767fadc)) by [@Pijukatel](https://github.com/Pijukatel), closes [#151](https://github.com/apify/apify-client-python/issues/151)
+- Add list kv store keys by collection or prefix ([#397](https://github.com/apify/apify-client-python/pull/397)) ([6747c20](https://github.com/apify/apify-client-python/commit/6747c201cd654953a97a4c3fe8256756eb7568c7)) by [@MFori](https://github.com/MFori)
 
 
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