Update duckdb index files

.gitattributes

@@ -55,3 +55,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 MikhailT--cmu-arctic/ahw/index.duckdb filter=lfs diff=lfs merge=lfs -text
 MikhailT--cmu-arctic/aup/index.duckdb filter=lfs diff=lfs merge=lfs -text
+MikhailT--cmu-arctic/axb/index.duckdb filter=lfs diff=lfs merge=lfs -text

MikhailT--cmu-arctic/axb/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6b20f71245f51a71ec9fb408f98726b67ab1539613f1c269f37bec61f3913c8
+size 60305408