Update develop (release 2.5.1) (#6521)

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### Motivation and context
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### How has this been tested?
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- [x] I submit my changes into the `develop` branch
- [ ] I have added a description of my changes into the
[CHANGELOG](https://github.com/opencv/cvat/blob/develop/CHANGELOG.md)
file
- [ ] I have updated the documentation accordingly
- [ ] I have added tests to cover my changes
- [ ] I have linked related issues (see [GitHub docs](

https://help.github.com/en/github/managing-your-work-on-github/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword))
- [ ] I have increased versions of npm packages if it is necessary

([cvat-canvas](https://github.com/opencv/cvat/tree/develop/cvat-canvas#versioning),

[cvat-core](https://github.com/opencv/cvat/tree/develop/cvat-core#versioning),

[cvat-data](https://github.com/opencv/cvat/tree/develop/cvat-data#versioning)
and

[cvat-ui](https://github.com/opencv/cvat/tree/develop/cvat-ui#versioning))

### License

- [x] I submit _my code changes_ under the same [MIT License](
https://github.com/opencv/cvat/blob/develop/LICENSE) that covers the
project.
  Feel free to contact the maintainers if that's a concern.

---------
Co-authored-by: NBoris Sekachev <boris.sekachev@yandex.ru>
Co-authored-by: NNikita Manovich <nikita@cvat.ai>

CHANGELOG.md

@@ -5,12 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## \[Unreleased]
+## \[Unreleased\]
 ### Added
 - Multi-line text attributes supported (<https://github.com/opencv/cvat/pull/6458>)
 - Now you can configure default attribute value for SELECT, RADIO types on UI
  (<https://github.com/opencv/cvat/pull/6474>)
-- \{SDK\] `cvat_sdk.datasets`, a framework-agnostic equivalent of `cvat_sdk.pytorch`
+- \[SDK\] `cvat_sdk.datasets`, a framework-agnostic equivalent of `cvat_sdk.pytorch`
   (<https://github.com/opencv/cvat/pull/6428>)
 
 ### Changed
@@ -30,13 +30,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - \[SDK\] SDK should not change input data in models (<https://github.com/opencv/cvat/pull/6455>)
 - 3D job can not be opened in validation mode (<https://github.com/opencv/cvat/pull/6507>)
 - Fixed SAM plugin (403 code for workers in organizations) (<https://github.com/opencv/cvat/pull/6514>)
-- Memory leak related to unclosed av container (<https://github.com/opencv/cvat/pull/6501>)
 - Using initial frame from query parameter to open specific frame in a job
  (<https://github.com/opencv/cvat/pull/6506>)
 
 ### Security
 - TDB
 
+## \[2.5.1\] - 2023-07-19
+### Fixed
+- Memory leak related to unclosed av container (<https://github.com/opencv/cvat/pull/6501>)
+
 ## \[2.5.0] - 2023-07-05
 ### Added
 - Now CVAT supports project/task markdown description with additional assets