Update duckdb index files

.gitattributes

@@ -154,3 +154,4 @@ default/rus.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/stackapps.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/sharepoint.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/stats.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/sitecore.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/sitecore.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fdff2827b90ff10efb3f569cccf33dee5d3fbad4d08b527d947c542e6d87c1f8
+size 15740928