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
 
 - Update black to fix ReDoS vulnerability ([#582](https://github.com/apify/apify-client-python/pull/582)) ([aae2eb9](https://github.com/apify/apify-client-python/commit/aae2eb9f5aeda0c7274285b9aaab3c73550bcad6)) by [@B4nan](https://github.com/B4nan)
+- Only include Actor standby when at least one field is provided ([#597](https://github.com/apify/apify-client-python/pull/597)) ([7112c09](https://github.com/apify/apify-client-python/commit/7112c09ceab0d87a0bd0caecabea634c70f63b8c)) by [@vdusek](https://github.com/vdusek), closes [#595](https://github.com/apify/apify-client-python/issues/595)
 
 
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