Update duckdb index files

.gitattributes

@@ -140,3 +140,4 @@ default/coach/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/pharmacy_technician/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/repair_worker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/receptionist/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/plane_mechanic/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/plane_mechanic/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a189f75bf821935fd2f61266a6742a90e2a9c33ad60dcf9ec7691fc7e29bc66
+size 1060864