Update duckdb index files

.gitattributes

@@ -187,3 +187,4 @@ probability_and_statistics/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 probability_and_statistics/val/index.duckdb filter=lfs diff=lfs merge=lfs -text
 teacher_qualification/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 fire_engineer/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+professional_tour_guide/val/index.duckdb filter=lfs diff=lfs merge=lfs -text

professional_tour_guide/val/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9bb5ab895775b69d6e87f081721b9c7b1a8c374de7f03a4828e4673a5150f514
+size 1060864