Update duckdb index files

.gitattributes

@@ -131,3 +131,4 @@ default/softwareengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs m
 default/salesforce.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/retrocomputing.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/raspberrypi.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/askubuntu.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/askubuntu.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:74dff9c3798fbbe08723b9ad6011bba586c73e1c74c5d14900de61cb29437095
+size 371208192