chore(release): 19.1.0 - new dev version

Cut the accumulated [Unreleased] changes as 19.0.1 so the shipped
version carries a matching changelog entry instead of an unreleased
18.3.0 dev bump.

Author: mimi1vx

CHANGELOG.md

@@ -5,7 +5,9 @@ All notable user-visible changes to MTUI are documented in this file.
 The format is based on [Keep a Changelog 1.1.0](https://keepachangelog.com/en/1.1.0/),
 and this project follows [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]:
+## [Unreleased]
+
+## 19.0.1 - 2026-07-17
 
 ### Added
 

mtui/__init__.py

@@ -4,4 +4,4 @@
 multiple hosts in parallel, with a focus on maintenance update testing.
 """
 
-__version__ = "18.3.0"
+__version__ = "19.1.0"