Update lantern test traces and re-calibrate lantern

[connorjclark]

yarn test-lantern uses traces collected years ago. We need to update these traces. We're close to doing so, but never filed an issue for it, so. here.

Once we update the traces, we'll need to begin work on getting our accuracy back.

related

#9887 - background on why error rates have gone up
#9662 - the collection script
#9905 - pr to land a lantern LCP

[connorjclark]

#10129