Update duckdb index files

.gitattributes

@@ -577,3 +577,4 @@ default/quantumcomputing.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/puzzling/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/raspberrypi.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/quantumcomputing/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/meta.askubuntu/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/meta.askubuntu/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e684f3c2397fa00960885d64c943ed7f0689bec467d111362f29cb5ee99e6ee8
+size 46149632