Update duckdb index files

.gitattributes

@@ -148,3 +148,4 @@ default/codegolf.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/elementaryos.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/networkengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/opendata.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/meta.superuser.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/meta.superuser.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0de630a835acf59a1baa2f5819c8e50eee217537334a9c73ddb29055d62602c9
+size 2109440