Prepare release v0.7.1 (#122)

* Prepare release v0.7.1

## heroku/python

- Updated the default Python version from 3.11.5 to 3.11.6. ([#121](#121))

* Add missing `H3` heading to changelog

---------

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>
Co-authored-by: Ed Morley <501702+edmorley@users.noreply.github.com>

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.7.1] - 2023-10-02
+
+### Changed
+
 - Updated the default Python version from 3.11.5 to 3.11.6. ([#121](https://github.com/heroku/buildpacks-python/pull/121))
 
 ## [0.7.0] - 2023-09-19
@@ -68,7 +72,8 @@ 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/v0.7.0...HEAD
+[unreleased]: https://github.com/heroku/buildpacks-python/compare/v0.7.1...HEAD
+[0.7.1]: https://github.com/heroku/buildpacks-python/compare/v0.7.0...v0.7.1
 [0.7.0]: https://github.com/heroku/buildpacks-python/compare/v0.6.0...v0.7.0
 [0.6.0]: https://github.com/heroku/buildpacks-python/compare/v0.5.0...v0.6.0
 [0.5.0]: https://github.com/heroku/buildpacks-python/compare/v0.4.0...v0.5.0

buildpack.toml

@@ -2,7 +2,7 @@ api = "0.9"
 
 [buildpack]
 id = "heroku/python"
-version = "0.7.0"
+version = "0.7.1"
 name = "Python"
 homepage = "https://github.com/heroku/buildpacks-python"
 description = "Heroku's official Python Cloud Native Buildpack."