Update duckdb index files

.gitattributes

@@ -66,3 +66,4 @@ pd_law/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pd_books/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pd_s2orc/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 sw_dm_math/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+sw_github/partial-train/index.duckdb filter=lfs diff=lfs merge=lfs -text

sw_github/partial-train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f33704caf48a683fe4b045e8bcca29472af8aaba4e87834803480487d75b80c9
+size 6020673536