chore: Release config version 0.15.4

Author: epage

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+## [0.15.4] - 2024-12-20
+
 ### Performance
 
 - Reduce TOML build times
@@ -523,7 +525,8 @@ update its MSRV.
 Initial release.
 
 <!-- next-url -->
-[Unreleased]: https://github.com/rust-cli/config-rs/compare/v0.15.3...HEAD
+[Unreleased]: https://github.com/rust-cli/config-rs/compare/v0.15.4...HEAD
+[0.15.4]: https://github.com/rust-cli/config-rs/compare/v0.15.3...v0.15.4
 [0.15.3]: https://github.com/rust-cli/config-rs/compare/v0.15.2...v0.15.3
 [0.15.2]: https://github.com/rust-cli/config-rs/compare/v0.15.1...v0.15.2
 [0.15.1]: https://github.com/rust-cli/config-rs/compare/v0.15.0...v0.15.1

Cargo.lock

@@ -87,7 +87,7 @@ zero_sized_map_values = "warn"
 
 [package]
 name = "config"
-version = "0.15.3"
+version = "0.15.4"
 description = "Layered configuration system for Rust applications."
 categories = ["config"]
 keywords = ["config", "configuration", "settings", "env", "environment"]