Update duckdb index files

.gitattributes

@@ -478,3 +478,4 @@ piglatin/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 pov-ray-sdl/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 processing/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 lua/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+parrot-internal-representation/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

parrot-internal-representation/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f73b05d03eef737730d11f9fc12c4bb639dd6dd3784d26f39e97a6a7a0f9d4a7
+size 1060864