chore: update changelog

Author: pfitzseb

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Version [v0.1.13] - 2025-04-28
+
+### Fixed
+
+* Setting `JULIAHUB_PROJECT_UUID` to an empty (or whitespace-only) string is now treated the same as unsetting it. ([#92])
+
 ## Version [v0.1.12] - 2025-04-25
 
 ### Added
@@ -135,6 +141,7 @@ Initial package release.
 [v0.1.10]: https://github.com/JuliaComputing/JuliaHub.jl/releases/tag/v0.1.10
 [v0.1.11]: https://github.com/JuliaComputing/JuliaHub.jl/releases/tag/v0.1.11
 [v0.1.12]: https://github.com/JuliaComputing/JuliaHub.jl/releases/tag/v0.1.12
+[v0.1.13]: https://github.com/JuliaComputing/JuliaHub.jl/releases/tag/v0.1.13
 [#1]: https://github.com/JuliaComputing/JuliaHub.jl/issues/1
 [#2]: https://github.com/JuliaComputing/JuliaHub.jl/issues/2
 [#3]: https://github.com/JuliaComputing/JuliaHub.jl/issues/3
@@ -165,3 +172,4 @@ Initial package release.
 [#83]: https://github.com/JuliaComputing/JuliaHub.jl/issues/83
 [#84]: https://github.com/JuliaComputing/JuliaHub.jl/issues/84
 [#86]: https://github.com/JuliaComputing/JuliaHub.jl/issues/86
+[#92]: https://github.com/JuliaComputing/JuliaHub.jl/issues/92