xfce4-whiskermenu-plugin-2.10.0-bp156.2.11.1

- Update to version 2.10.0
  - Add meson build
  - po: Add LINGUAS and POTFILES
  - Remove outdated install instructions
  - Remove unused search flags variable
  - Replace deprecated exo with libxfce4ui 4.21.0
  - Fix missing declaration warning
  - Fix shadowed variables
  - Fix unused lambda capture warning
  - Translation Updates