[1.0.0] Bump to a less scary release number

Author: pminten

CHANGELOG.md

@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+## [1.0.0] - 2023-12-28
+
+Bumping to proper release version.
+
 ### Changed
 
 - Truncate downloaded file if checksums mismatch. This allows graceful recovery on a retry