Update duckdb index files

.gitattributes

@@ -167,3 +167,4 @@ moral_scenarios/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 nutrition/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text
 nutrition/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 nutrition/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+philosophy/dev/index.duckdb filter=lfs diff=lfs merge=lfs -text

philosophy/dev/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a8d6568d0caff79b728f8b7112b2c71f8f7c8bd072976dcf309207a2f339bcf
+size 1060864