fix link to QColorPicker (fixes #3883)

nicegui/elements/color_picker.py

@@ -16,7 +16,7 @@ class ColorPicker(Menu):
         """Color Picker
 
         This element is based on Quasar's `QMenu <https://quasar.dev/vue-components/menu>`_ and
-        `QColor <https://quasar.dev/vue-components/color>`_ components.
+        `QColor <https://quasar.dev/vue-components/color-picker>`_ components.
 
         :param on_pick: callback to execute when a color is picked
         :param value: whether the menu is already opened (default: `False`)