Update duckdb index files

.gitattributes

@@ -76,3 +76,4 @@ Github/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 Gutenberg[[:space:]](PG-19)/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 HackerNews/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 OpenSubtitles/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+PubMed[[:space:]]Abstracts/partial-test/index.duckdb filter=lfs diff=lfs merge=lfs -text

PubMed Abstracts/partial-test/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:874d73a8f115b76d445cb37b14f4f669de9cd1990dec22c0ce64e9af515e0963
+size 2149068800