Log Message:
mutter: Update wm/mutter to 40.2

40.2
====
* Fix mouse position in remote desktop with fractional scaling [Pascal; !1867]
* Fix fd leak [Carlos; !1875]
* Disable KMS modifiers on radeon driver [Carlos; !1872]
* Fix adding virtual monitor to physical session [Jonas; !1891]
* Unbreak press-drag-release to pop up and select right click menus
  [Carlos; !1885]
* Fix VKMS detection [Jonas; !1892]
* Misc. bug fixes [Jonas, Daniel, Florian; !1876, !1873, !1890, !1884]

Contributors:
  Jonas Ådahl, Carlos Garnacho, Florian Müllner, Pascal Nowack, Daniel van Vugt

Translators:
  Pawan Chitrakar [ne], Charles Monzat [fr]