Update duckdb index files

.gitattributes

@@ -128,3 +128,4 @@ default/electrician/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/librarian/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/jailer/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/ceo/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/fitness_instructor/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/fitness_instructor/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c33d9fc816dca4e593252f1f2eb5562dd9aac8466b2c0a17c3f9488457d8363f
+size 5517312