Update duckdb index files

.gitattributes

@@ -69,3 +69,4 @@ MikhailT--cmu-arctic/clb/index.duckdb filter=lfs diff=lfs merge=lfs -text
 MikhailT--cmu-arctic/jmk/index.duckdb filter=lfs diff=lfs merge=lfs -text
 MikhailT--cmu-arctic/ksp/index.duckdb filter=lfs diff=lfs merge=lfs -text
 MikhailT--cmu-arctic/rms/index.duckdb filter=lfs diff=lfs merge=lfs -text
+MikhailT--cmu-arctic/lnh/index.duckdb filter=lfs diff=lfs merge=lfs -text

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8ea9016536a9321acfaa8982c8ab701df113bc16103b37f3d43d24c408effb42
+size 309342208