doc: update changelog

Author: AMythicDev

CHANGELOG.md

@@ -1,47 +1,75 @@
 # Changelog
+
 This file documents all changes made to the project and is updated before each release.
 
-## v0.4.0
+## v0.5.0 [2024-11-13]
+
 ### Added
+
+- Update zig versions only if they need an update
+- Add CI to test install script
+- Report versions that were updated
+
+### Fixed
+
+- Do not add to PATH if the bin dir already exists in PATH
+- Correct detection of OS and architecture in install script
+
+## v0.4.0 [2024-09-19]
+
+### Added
+
 - Support to update zigverm itself
 
 ### Fixed
+
 - Version and helptext printed to stderr instead of stdout
 - Retry download if hashes for download tarballs do not match.
 - Errors in detecting OS in install.sh
 
 ## v0.3.1 [2024-06-28]
+
 ### Fixed
+
 - Segfault when overriding
-- Architecture detection errors in install.sh on non-darwin based aarch64 systems 
+- Architecture detection errors in install.sh on non-darwin based aarch64 systems
 - Enviroment variable for root is not `ZIGVERM_ROOT_DIR`
 - Potential memory issues in `CommonPaths`
 
 ## v0.3.0 [2024-06-26]
+
 ### Added
+
 - `langref` and `std` subcommands to open the language reference and standard library for the active version or
   a specified version.
 
 ### Changed
+
 - **BREAKING CHANGE** Renamed zigvm to zigverm.
 
 ### Fixed
+
 - Fix all memoery leaks prosent in the common module.
 - Wrong tarball downloaded when running install.sh under Rosetta2.
 - Fix tarball not downloading on `aarch64` macs due to `uname -m` reporting it as `arm64`
 
 ## v0.2.0 [2024-06-13]
+
 ### Added
+
 - Add support for continuing download if thers's a interrupt in between a download.
 - Add support for updating master, stable and x.y releases to latest point releases.
 
 ## Changed
+
 - Use a better progress bar
 
 ## Fixed
+
 - Fixed the zig executable not propagating the correct exit code of the child zig executable.
 - Fix removing a release prints a error log on success.
 - Fix automatic install script cannot find shell.
 
 ## v0.1.0 [2024-05-27]
+
 - Initial release with preliminary support