Prepare release v0.1.3 (#133)

## heroku/dotnet

### Added

- Support for .NET SDK versions: 8.0.402 (linux-arm64), 8.0.402 (linux-amd64).

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

buildpacks/dotnet/CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.3] - 2024-09-25
+
 ### Added
 
 - Support for .NET SDK versions: 8.0.402 (linux-arm64), 8.0.402 (linux-amd64).
@@ -30,7 +32,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial implementation.
 
-[unreleased]: https://github.com/heroku/buildpacks-dotnet/compare/v0.1.2...HEAD
+[unreleased]: https://github.com/heroku/buildpacks-dotnet/compare/v0.1.3...HEAD
+[0.1.3]: https://github.com/heroku/buildpacks-dotnet/compare/v0.1.2...v0.1.3
 [0.1.2]: https://github.com/heroku/buildpacks-dotnet/compare/v0.1.1...v0.1.2
 [0.1.1]: https://github.com/heroku/buildpacks-dotnet/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/heroku/buildpacks-dotnet/releases/tag/v0.1.0

buildpacks/dotnet/buildpack.toml

@@ -2,7 +2,7 @@ api = "0.10"
 
 [buildpack]
 id = "heroku/dotnet"
-version = "0.1.2"
+version = "0.1.3"
 name = "Heroku .NET"
 homepage = "https://github.com/heroku/buildpacks-dotnet"
 description = "Heroku's buildpack for .NET applications."