Update duckdb index files

.gitattributes

@@ -26,3 +26,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zstandard filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 16K_mp3_nynorsk/test/index.duckdb filter=lfs diff=lfs merge=lfs -text
+16K_mp3_nynorsk/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

16K_mp3_nynorsk/validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef5bfb84ef23a26e88db715dd1a8e5a0d52f81f7e36995cb6de56bb686f51c0b
+size 42741760