Prepare 0.12.1 release (#434)

* build: Update dependencies

* build: Bump espup version

* docs: Update changelog

CHANGELOG.md

@@ -5,17 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
-
-### Added
+## [0.12.1] - 2024-07-15
 
 ### Fixed
 - Make both `libclang.so` available again when installing the extended LLVM for LLVM versions >= 17 (#432)
 
-### Changed
-
-### Removed
-
 ## [0.12.0] - 2024-06-12
 
 ### Added
@@ -126,7 +120,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.1.0] - 2022-10-07
 
-[Unreleased]: https://github.com/esp-rs/espup/compare/v0.12.0...HEAD
+[0.12.1]: https://github.com/esp-rs/espup/compare/v0.12.0...v0.12.1
 [0.12.0]: https://github.com/esp-rs/espup/compare/v0.11.0...v0.12.0
 [0.11.0]: https://github.com/esp-rs/espup/compare/v0.10.0...v0.11.0
 [0.10.0]: https://github.com/esp-rs/espup/compare/v0.9.0...v0.10.0