chore: bump desmume digest to b518fec

This MR contains the following updates:

Package	Update	Change
desmume	digest	4ee1bb1 -> b518fec

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🗒Changelog
Compare revision 4ee1bb1d6a6c9695baea49d0c2dff34c10187502 to b518fec54b79f2f71a7536715efcdcd7f60638a8

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