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

Author: Apify Release Bot

CHANGELOG.md

@@ -10,6 +10,7 @@ All notable changes to this project will be documented in this file.
 - Fix crash in `Actor.push_data` with PPE and a strict charging limit ([#664](https://github.com/apify/apify-sdk-python/pull/664)) ([8f2e4b2](https://github.com/apify/apify-sdk-python/commit/8f2e4b2cc1f62e9a09656b4d3334caf840338a3a)) by [@janbuchar](https://github.com/janbuchar)
 - Avoid charge calls with count=0 ([#665](https://github.com/apify/apify-sdk-python/pull/665)) ([a0f894e](https://github.com/apify/apify-sdk-python/commit/a0f894e879225eb1b639c4f897a1dd0103903c78)) by [@janbuchar](https://github.com/janbuchar)
 - Fix Actor.charge behavior when the budget is overdrawn ([#668](https://github.com/apify/apify-sdk-python/pull/668)) ([88e6ba3](https://github.com/apify/apify-sdk-python/commit/88e6ba340a68dcf5e272ee947f4e38ce0f3dea46)) by [@janbuchar](https://github.com/janbuchar)
+- Fix detection of whether any instance is initialized ([#675](https://github.com/apify/apify-sdk-python/pull/675)) ([b2355cf](https://github.com/apify/apify-sdk-python/commit/b2355cf697aac6383a404e1bbbefbecd5f38c760)) by [@vdusek](https://github.com/vdusek), closes [#674](https://github.com/apify/apify-sdk-python/issues/674)
 
 
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