Update duckdb index files

.gitattributes

@@ -289,3 +289,4 @@ all_wikipedia/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -tex
 cs_all/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 all_contracts/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 de_all/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+de_caselaw/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

de_caselaw/partial-validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4c71c5d591278d338225816a8fbea6552580912b141fad3dd29d47934e851f33
+size 8138752