Update duckdb index files

.gitattributes

@@ -62,3 +62,4 @@ default/bppt/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/kompas/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/wiki/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/wikipedia_conllu/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/opensubtitles/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/opensubtitles/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c433194d24283ebd5c799443dcd8fe4bedaa08e80fc66d88f9446636fcdcc043
+size 1044918272