Update duckdb index files

.gitattributes

@@ -169,3 +169,4 @@ default/network_administrator/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/machinist/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/computer_programmer/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/bus_driver/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 sha256:0e6a1e88f547deb270c48612cd179a37def6165794d8656e6fc26a8357da0746
+size 4730880