Update duckdb index files

.gitattributes

@@ -104,3 +104,4 @@ haskell/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 csv/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 ini/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 cython/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+digital-command-language/test/index.duckdb filter=lfs diff=lfs merge=lfs -text

digital-command-language/test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2573aa506b7b8773be5b631023832ec7fc02d07b616b98ddb495151ea385604d
+size 1060864