pkgs: update cosmic (#111)

* cosmic-applets: 0-unstable-2024-05-15 -> 0-unstable-2024-05-16

Diff: pop-os/cosmic-applets@e57a832...afff079

* cosmic-notifications: 0-unstable-2024-05-14 -> 0-unstable-2024-05-16

Diff: pop-os/cosmic-notifications@1a1bbfa...bcac690

* cosmic-settings: 0-unstable-2024-05-14 -> 0-unstable-2024-05-16

Diff: pop-os/cosmic-settings@3429611...aae3e80

* cosmic-settings-daemon: 0-unstable-2024-05-13 -> 0-unstable-2024-05-16

Diff: pop-os/cosmic-settings-daemon@fa09322...dd195a8

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