Release 1.1.3 with game window and Gamescope lifecycle fixes

packaging/install-dependencies.sh

@@ -234,7 +234,7 @@ ptlinux_detect_missing_dependencies()
 	if ! command -v "$python_bin" >/dev/null 2>&1
 	then
 		PTLINUX_MISSING_DEPENDENCIES+=(python python-tk)
-	elif ! "$python_bin" -c 'import _tkinter' >/dev/null 2>&1
+	elif ! "$python_bin" -c 'import tkinter; from tkinter import ttk, filedialog; tkinter.Tcl()' >/dev/null 2>&1
 	then
 		PTLINUX_MISSING_DEPENDENCIES+=(python-tk)
 	fi