misc: update (and fix) copyright years to 2022

README.md

cmake/cmake_uninstall.cmake.in

jami-qt.appdata.xml

src/AccountMigrationView.qml

src/DaemonReconnectWindow.qml

src/MainApplicationWindow.qml

src/abstractlistmodelbase.h

src/accountadapter.cpp

src/accountadapter.h

src/accountlistmodel.cpp

src/accountlistmodel.h

src/appsettingsmanager.cpp

src/appsettingsmanager.h

src/audiodevicemodel.cpp

src/audiodevicemodel.h

src/audiomanagerlistmodel.cpp

src/audiomanagerlistmodel.h

src/avadapter.cpp

src/avadapter.h

src/avatarimageprovider.h