Update duckdb index files

.gitattributes

@@ -81,3 +81,4 @@ default/executive_assistant/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/insurance_agent/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/aerospace_engineer/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/it_specialist/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/groundskeeper/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/groundskeeper/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5cf6c6d93581f039fbebc4dfbeb79f8a08690428cb2b87bf1fe375f79654c7f
+size 3682304