Update duckdb index files

.gitattributes

@@ -282,3 +282,4 @@ sl_wikipedia/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sl_caselaw/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sv_caselaw/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 nl_legislation/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+all_caselaw/partial-validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

all_caselaw/partial-validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:833afdc043e3d1e39ff15bdd3643f3b9b44257d9cd0ed7a9e2ab3e66d59e09f9
+size 149958656