feat: use GPU for index creation. (#540)

Bump lance to 0.8.3 to include GPU training

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Co-authored-by: Rob Meng <rob.xu.meng@gmail.com>

python/tests/test_table.py

@@ -223,6 +223,7 @@ def test_create_index_method():
                 num_partitions=256,
                 num_sub_vectors=96,
                 replace=True,
+                accelerator=None,
             )