Pre-release changes (#2276)

* Pre-release changes

* Added two lines to changelog

Author: tsujan

CHANGELOG

@@ -1,3 +1,15 @@
+lxqt-panel-2.2.1 / 2025-05-17
+==============================
+ * Made "Show Desktop" work under Wayland compositors compatible with wlroots.
+ * Workaround for kwin_wayland's problems with showing desktop.
+ * Minimize children of a window with it on kwin_wayland.
+ * No attention demand for active parent-child pairs on kwin_wayland.
+ * Prevented a rare DND crash in Task Manager under Wayland.
+ * Removed ancient QT_USE_XXXX variables and dropped QTX_LIBRARIES.
+ * Made timezone switching by mouse wheel optional in World Clock.
+ * Added an icon for plugin-sensors.
+ * Code cleanup.
+
 lxqt-panel-2.2.0 / 2025-04-17
 ==============================
  * Handle Wayland screens by using their names, not numbers.

CMakeLists.txt

@@ -43,7 +43,7 @@ find_package(lxqt-menu-data ${LXQT_MINIMUM_VERSION} REQUIRED)
 find_package(LayerShellQt REQUIRED)
 
 # Patch Version
-set(LXQT_PANEL_PATCH_VERSION 0)
+set(LXQT_PANEL_PATCH_VERSION 1)
 set(LXQT_PANEL_VERSION ${LXQT_MAJOR_VERSION}.${LXQT_MINOR_VERSION}.${LXQT_PANEL_PATCH_VERSION})
 add_definitions("-DLXQT_PANEL_VERSION=\"${LXQT_PANEL_VERSION}\"")