Update duckdb index files

.gitattributes

@@ -58,3 +58,4 @@ paragraphs-jawiki-20230403/train/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 passages-c300-jawiki-20230403/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 passages-c400-jawiki-20230403/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 passages-para-jawiki-20230403/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+corpus-jawiki-20230403-cirrus/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

corpus-jawiki-20230403-cirrus/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9631694226000506495b167f8da71c78e96e328a34e212401b42751428edb79b
+size 3576180736