Update duckdb index files

.gitattributes

@@ -189,3 +189,4 @@ tatoeba.pes/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tatoeba.por/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tatoeba.rus/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 tatoeba.spa/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
+tatoeba.swh/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

tatoeba.swh/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:36804804667b9b2e53c5072c106ea36fb1656baf9f838957e3ca53e561097397
+size 1060864