Apple's AirTag 2 is on sale for $79.99 this weekend on Amazon, down from $99.00. This deal is on the 4-Pack of the AirTag 2, and it's a match of the record low price for the accessory, beating the previous low by about $5. Note: MacRumors is an affiliate partner with Amazon. When you click a link and make a purchase, we may receive a small payment, which…