Update duckdb index files

.gitattributes

@@ -151,3 +151,4 @@ default/opendata.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -t
 default/meta.superuser.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/quantumcomputing.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/rus.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/stackapps.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/stackapps.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4b562f4c223b6e29ad4f93445aa588065e71ba07273359cddcca5a85629660dd
+size 2633728