Update duckdb index files

.gitattributes

@@ -156,3 +156,4 @@ default/sharepoint.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs
 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/webmasters.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/cs.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/cs.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6fb37f0d7e375822e7a3d88132b1d2cbae5379eed4f2078f5aec5cc724f77d4c
+size 12333056