Update duckdb index files

.gitattributes

@@ -143,3 +143,4 @@ default/arduino.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -te
 default/vi.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/drupal.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/math.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/tex.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/tex.stackexchange.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c981a4b2241f4a4965d485dd0768a94d9e9288d4ded0380e916187383973c89c
+size 608710656