Update duckdb index files

.gitattributes

@@ -63,3 +63,4 @@ voxpopuli/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 voxpopuli/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
 commonvoice/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text
 commonvoice/valid/index.duckdb filter=lfs diff=lfs merge=lfs -text
+gigaspeech/train/partial-index.duckdb filter=lfs diff=lfs merge=lfs -text

gigaspeech/train/partial-index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0ed87007bdd6e7c70ef0060e1239ad20d94ec74655234189a7a1961071b80704
+size 4237570048