Update duckdb index files

.gitattributes

@@ -284,3 +284,4 @@ pt_legislation/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pt_other/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ro_all/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sv_legislation/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+all_caselaw/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

all_caselaw/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:185914d649ee1bde4d808d0af3b1740e984bddae5b4d0202404e760e00ff5be9
+size 7762882560