Correct pos embs (#3)

- Correct transformers weights & configs (f37b0c0576a5fb6891df4a25c80680af72c11e1e)

config.json

@@ -139,7 +139,7 @@
     "layerdrop": 0.0,
     "length_penalty": 1.0,
     "max_length": 20,
-    "max_position_embeddings": 1024,
+    "max_position_embeddings": 1500,
     "min_length": 0,
     "model_type": "musicgen_decoder",
     "no_repeat_ngram_size": 0,

pytorch_model.bin

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:037f98ba34df0891480c5c97ebf1c436ceb6594f8283d19ca344b3027c4b2ff1
-size 2360361373
+oid sha256:ee21519369485e97c317745411f48bf20bacce773fff8ca88c9bc66e14e79be0
+size 2362311069