[Update Request]: 86Box

### What type of update are you requesting?

A new version of an existing package

### Current Package Identifier

86Box.86Box

### Package Version

5.3

### Please describe the changes you would like to see

https://github.com/86Box/86Box/releases/download/v5.3/86Box-Windows-64-b8200.zip

(https://github.com/86Box/86Box/releases - linked from https://86box.net/#downloads)