Update duckdb index files

.gitattributes

@@ -65,3 +65,4 @@ default/baker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/real_estate_broker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/payroll_clerk/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/health_technician/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/tractor_operator/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/tractor_operator/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bf8b773c2c57435214af23bb057f1c352c155120ed232be7e9647d3dac65cda2
+size 12333056