Prepare release v0.4.5

## heroku/go

- Added go1.22.8 (linux-amd64), go1.22.8 (linux-arm64), go1.23.2 (linux-amd64), go1.23.2 (linux-arm64).

buildpacks/go/CHANGELOG.md

@@ -7,7 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.4.5] - 2024-10-01
+
 - Added go1.22.8 (linux-amd64), go1.22.8 (linux-arm64), go1.23.2 (linux-amd64), go1.23.2 (linux-arm64).
+
 ## [0.4.4] - 2024-09-05
 
 - Added go1.22.7 (linux-amd64), go1.22.7 (linux-arm64), go1.23.1 (linux-amd64), go1.23.1 (linux-arm64).
@@ -186,7 +189,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial implementation using libcnb.rs. ([#1](https://github.com/heroku/buildpacks-go/pull/1))
 
-[unreleased]: https://github.com/heroku/buildpacks-go/compare/v0.4.4...HEAD
+[unreleased]: https://github.com/heroku/buildpacks-go/compare/v0.4.5...HEAD
+[0.4.5]: https://github.com/heroku/buildpacks-go/compare/v0.4.4...v0.4.5
 [0.4.4]: https://github.com/heroku/buildpacks-go/compare/v0.4.3...v0.4.4
 [0.4.3]: https://github.com/heroku/buildpacks-go/compare/v0.4.2...v0.4.3
 [0.4.2]: https://github.com/heroku/buildpacks-go/compare/v0.4.1...v0.4.2

buildpacks/go/buildpack.toml

@@ -2,7 +2,7 @@ api = "0.10"
 
 [buildpack]
 id = "heroku/go"
-version = "0.4.4"
+version = "0.4.5"
 name = "Heroku Go"
 homepage = "https://github.com/heroku/buildpacks-go"
 description = "Heroku's buildpack for Go applications."