Update duckdb index files

.gitattributes

@@ -133,3 +133,4 @@ default/detective/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/office_worker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/wholesale_buyer/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/dental_assistant/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/teaching_assistant/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/teaching_assistant/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:540857ef97d214e65efafbb168864ec3b9d15096ac0e9f0c5877feb0e48fd894
+size 1060864