Update duckdb index files

.gitattributes

@@ -91,3 +91,4 @@ Jewelry/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Keyboard/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Keyboard/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Keyboard/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+Magazine_Subscriptions/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

Magazine_Subscriptions/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fae20e1df62a7fa53ed585c01071df4aab472644bf533601d18715237ed7ffeb
+size 1060864