Update duckdb index files

.gitattributes

@@ -180,3 +180,4 @@ default/scientist/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/sheet_metal_worker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/social_assistant/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/teller/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 sha256:76df6bf6044b67437c63a16bbbf2e2457e9bec1a57e6da5bd712e23fd5343063
+size 1060864