Update duckdb index files

.gitattributes

@@ -400,3 +400,4 @@ default/fy_NL.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/cs.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/fi.test/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/ga_IE.train/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/ga_IE.validation/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/ga_IE.validation/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:75b3cc59555b1b52b9f9f2696b0bc8e4c721549e0319dc6e84d8fdc93ffc0422
+size 1060864