chore: bump version to 1.19 (self-update test target for v1.18)

Author: jj-repository

CLAUDE.md

@@ -1,7 +1,7 @@
 # AutoClicker
 
 Python/PyQt6 automated mouse clicker and keyboard presser with dual clicker support. Two backends: pynput (cross-platform, PyQt6 GUI) and evdev (Linux Wayland/games, tkinter GUI). Stack: Python, PyQt6, pynput.
-v1.18
+v1.19
 
 Docs: .claude/index.md
 

autoclicker.py

@@ -77,7 +77,7 @@
 
 # ── App identity ──────────────────────────────────────────────────────
 APP_NAME = "AutoClicker"
-__version__ = "1.18"
+__version__ = "1.19"
 WINDOW_SIZE = (560, 820)
 
 # ── Color palette ─────────────────────────────────────────────────────