Update duckdb index files

.gitattributes

@@ -81,3 +81,4 @@ P1ayer-1--stack-exchange-preferences-code/meta.stackoverflow.com/index.duckdb fi
 P1ayer-1--stack-exchange-preferences-code/meta.superuser.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 P1ayer-1--stack-exchange-preferences-code/networkengineering.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 P1ayer-1--stack-exchange-preferences-code/opendata.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+P1ayer-1--stack-exchange-preferences-code/opensource.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

P1ayer-1--stack-exchange-preferences-code/opensource.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5021c6f1e7a2bdcb8086ef566738ff252d9e43ad778ee4237f1a2ced9bb1618a
+size 1847296