Linux arm64 packages may have the wrong architecture set

[directionless]

From internal slack

[parallels@fedora-linux-38 Downloads]$ sudo rpm -i kolide-launcher.rpm 
[sudo] password for parallels: 
	package launcher-kolide-k2-1.18.3-1.arm64 is intended for a different architecture
[parallels@fedora-linux-38 Downloads]$ uname -a
Linux fedora-linux-38 6.14.8-300.fc42.aarch64 #1 SMP PREEMPT_DYNAMIC Thu May 22 19:51:23 UTC 2025 aarch64 GNU/Linux

ChatGPT says: "For 64-bit Arm the canonical name in the RPM world is aarch64."

This is probably a trivial change to how we invoke fpm