Update duckdb index files

.gitattributes

@@ -172,3 +172,4 @@ default/scientist/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/radiologic_technician/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/receptionist/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/real_estate_broker/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/purchasing_agent/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/purchasing_agent/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9ee96e4fefbb9f32b815caa4e2bb9a03c814dba00c49665f060c374a556d827
+size 1060864