Add UQ-enabled GRACE-2L-OMAT-large-ft-AM and -mx-ft-AM (model + checkpoint)

checkpoints/GRACE-2L-OMAT-large-ft-AM-checkpoint.tar.gz

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+oid sha256:036b44a92aca8553b33c031b66de24df4aabc31d9af71752a3fe239538f341b2
+size 231497195

checkpoints/GRACE-2L-OMAT-large-mx-ft-AM-checkpoint.tar.gz

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+version https://git-lfs.github.com/spec/v1
+oid sha256:f94553483b238a5b06c68287f04c5f405c5a2659aa046a3e5e287266a78ad561
+size 244531098

models/GRACE-2L-OMAT-large-ft-AM-model.tar.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:0d2bf905bfae03212212dbff9f709e05966e2a486e3026c2f9d014f0c680493d
-size 409493506
+oid sha256:5a60f8363bcc72c7b9b04fb3461a9e075fb5cff13852bed70145fe93a4098e1d
+size 437018699

models/GRACE-2L-OMAT-large-mx-ft-AM-model.tar.gz

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:560511bf183d65e287128d02593af214ee2624faf043a42adebcd3ec14efec50
-size 253830042
+oid sha256:49425af886d25ef851b517a7f03416d86e51e98904bfa3051172f94562eb3749
+size 350112196