Fix date of the 0.3.3 release in changelog
@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
[pr109]: https://github.com/teloxide/teloxide-core/pull/109
[pr115]: https://github.com/teloxide/teloxide-core/pull/115
-## 0.3.3
+## 0.3.3 - 2021-08-03
### Fixed
