Update duckdb index files

.gitattributes

@@ -69,3 +69,4 @@ dataset_utterances/aru/index.duckdb filter=lfs diff=lfs merge=lfs -text
 dataset_utterances/cmu_arctic/index.duckdb filter=lfs diff=lfs merge=lfs -text
 speaker_embeddings/speechbrain_spkrec_ecapa_voxceleb/index.duckdb filter=lfs diff=lfs merge=lfs -text
 speaker_embeddings/speechbrain_spkrec_xvect_voxceleb/index.duckdb filter=lfs diff=lfs merge=lfs -text
+speaker_embeddings/speechbrain_spkrec_xvect_voxceleb_mean/index.duckdb filter=lfs diff=lfs merge=lfs -text

speaker_embeddings/speechbrain_spkrec_xvect_voxceleb_mean/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e96fd323bf3dc50b772c72f3c3cb0e35e50d17bf93c1697b7dbb4c9cea1104b
+size 1060864