[FS#374] Github release tarballs should use content-disposition to set correct file name

[LEDE Bugs]

The following task is now closed:

FS#374 - Github release tarballs should use content-disposition to set correct file name
User who did this - Felix Fietkau (nbd)

Reason for closing: Not a bug
More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=374