Add FY2003 heldout (clean 36553 lines, samesource 800 lines) from blue/annulus/data

.gitattributes

@@ -81,3 +81,4 @@ FY2019/heldout_2019_samesource.jsonl filter=lfs diff=lfs merge=lfs -text
 FY2020/heldout_2020_samesource.jsonl filter=lfs diff=lfs merge=lfs -text
 FY2021/heldout_2021_samesource.jsonl filter=lfs diff=lfs merge=lfs -text
 FY2022/heldout_2022_samesource.jsonl filter=lfs diff=lfs merge=lfs -text
+FY2003/heldout_2003_clean.jsonl filter=lfs diff=lfs merge=lfs -text

FY2003/heldout_2003_clean.jsonl

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:79ef80c3f782bd8cb159c51dba4802b347ff720cdfde04bb74c86bb92816ff12
+size 799166416