Update duckdb index files

.gitattributes

@@ -134,3 +134,4 @@ default/raspberrypi.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs
 default/askubuntu.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/serverfault.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/softwarerecs.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/unix.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/unix.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a2a0514db85e721ecae156844374193a842a537411540f790eae7d0ac633640d
+size 356790272