basica [1] filed a deletion request for qca9565-bluetooth-firmware [2]:

I originally created this package because the Linux kernel for some reason stopped including the firmware, as of the most recent updates it's back again so this package is no longer required.

[1] https://aur.archlinux.org/account/basica/ [2] https://aur.archlinux.org/pkgbase/qca9565-bluetooth-firmware/