Update duckdb index files

.gitattributes

@@ -439,3 +439,4 @@ default/bitcoin.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/chinese.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/christianity.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/askubuntu/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/codegolf.meta/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/codegolf.meta/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1482856890438caf5597573e5ab9dc9a3641332efacf7c001d83d2078b145921
+size 41693184