Update duckdb index files

.gitattributes

@@ -111,3 +111,4 @@ default/bioinformatics.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=
 default/askubuntu.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/codegolf.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/computergraphics.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 sha256:9b71a99bb37d18690eb305011bcdeb536a574dcfca386aa657fe70a2f24398e8
+size 11808768