Prepare release of 0.12.2 (#340)

cargo update[^1]

clippy clean

xctrace tidy

[^1]: hold back clap to avoid bumping msrv

Author: jonhoo

CHANGELOG.md

@@ -8,8 +8,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
-- Support for collapsing the xml output of the xctrace tool. [#286](https://github.com/jonhoo/inferno/pull/286)
-
 ### Changed
 
 ### Deprecated
@@ -20,6 +18,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security
 
+## [0.12.2] - 2025-03-22
+
+### Added
+
+- Support for collapsing the xml output of the xctrace tool. [#286](https://github.com/jonhoo/inferno/pull/286)
+
 ## [0.12.1] - 2025-01-05
 
 ### Fixed