Update duckdb index files

.gitattributes

@@ -91,3 +91,4 @@ drcd/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 flores/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 code_docstring_corpus/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 codecomplex/train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+github_jupyter_text_code_pairs/train/index.duckdb filter=lfs diff=lfs merge=lfs -text

github_jupyter_text_code_pairs/train/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:af58fc842174963cd9dddf8a1be105aebc86808b757b588c496db6c8dcbd5762
+size 1847296