Prepare release v6.2.0 (#536)

## heroku/python

### Changed

- Updated Poetry from 2.3.2 to 2.3.3. ([#532](#532))
- Updated uv from 0.10.9 to 0.11.3. ([#535](#535))

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>

Author: heroku-linguist[bot]

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [6.2.0] - 2026-04-02
+
 ### Changed
 
 - Updated Poetry from 2.3.2 to 2.3.3. ([#532](https://github.com/heroku/buildpacks-python/pull/532))
@@ -612,7 +614,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial implementation. ([#3](https://github.com/heroku/buildpacks-python/pull/3))
 
-[unreleased]: https://github.com/heroku/buildpacks-python/compare/v6.1.0...HEAD
+[unreleased]: https://github.com/heroku/buildpacks-python/compare/v6.2.0...HEAD
+[6.2.0]: https://github.com/heroku/buildpacks-python/compare/v6.1.0...v6.2.0
 [6.1.0]: https://github.com/heroku/buildpacks-python/compare/v6.0.1...v6.1.0
 [6.0.1]: https://github.com/heroku/buildpacks-python/compare/v6.0.0...v6.0.1
 [6.0.0]: https://github.com/heroku/buildpacks-python/compare/v5.1.0...v6.0.0

buildpack.toml

@@ -2,7 +2,7 @@ api = "0.10"
 
 [buildpack]
 id = "heroku/python"
-version = "6.1.0"
+version = "6.2.0"
 name = "Heroku Python"
 homepage = "https://github.com/heroku/buildpacks-python"
 description = "Heroku's buildpack for Python applications."