Update duckdb index files

.gitattributes

@@ -121,3 +121,4 @@ default/social_worker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/nutritionist/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/office_worker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/school_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:b195eda3d847983503ba60ed776eb738f32091a205e8c3de02697989fea22ee2
+size 8400896