Update duckdb index files

.gitattributes

@@ -225,3 +225,4 @@ default/career_counselor/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/social_worker/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/head_cook/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/massage_therapist/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 sha256:27c90ce482bb90c6f42d7d165490e5a79d501d18f3b086bc99c0712b97e67140
+size 5779456