Start the review for 0450-swiftpm-package-traits.md

Author: shahmishal

proposals/NNNN-swiftpm-package-traits.md renamed to proposals/0450-swiftpm-package-traits.md

@@ -1,9 +1,10 @@
 # Package traits
 
-* Proposal: [SE-NNNN](NNNN-swiftpm-package-traits.md)
+* Proposal: [SE-0450](0450-swiftpm-package-traits.md)
 * Authors: [Franz Busch](https://github.com/FranzBusch), [Max Desiatov](https://github.com/MaxDesiatov)
-* Review Manager: TBD
-* Status: **Experimental implementation available, gated on `@_spi(ExperimentalTraits)` in package manifests and `--experimental` prefix for CLI options**
+* Review Manager: [Mishal Shah](https://github.com/shahmishal)
+* Status: **Active Review (October 24th...November 7th, 2024**)
+* Experimental Implementation: Gated on `@_spi(ExperimentalTraits)` in package manifests and `--experimental` prefix for CLI options
 
 - https://github.com/swiftlang/swift-package-manager/pull/7704
 - https://github.com/swiftlang/swift-package-manager/pull/7703
@@ -669,4 +670,4 @@ and conditional compilation.
 - [Gradle](https://gradle.org/) has [feature variants](https://docs.gradle.org/current/userguide/feature_variants.html) that allow conditional compilation and optional dependencies.
 - [Go](https://golang.org/) has [build constraints](https://golang.org/pkg/go/build/#hdr-Build_Constraints) which can conditionally include a file.
 - [pip](https://pypi.org/project/pip/) dependencies can have [optional dependencies and extras](https://setuptools.pypa.io/en/latest/userguide/dependency_management.html#optional-dependencies).
-- [Hatch](https://hatch.pypa.io/latest/) offers [optional dependencies](https://hatch.pypa.io/latest/config/metadata/#optional) and [features](https://hatch.pypa.io/latest/config/dependency/#features).
+- [Hatch](https://hatch.pypa.io/latest/) offers [optional dependencies](https://hatch.pypa.io/latest/config/metadata/#optional) and [features](https://hatch.pypa.io/latest/config/dependency/#features).