Add 1 packed OProof batches

data/internal_test/pa4/oproofs-s00001-g000066-0000-8346b1c74a7393e2.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8346b1c74a7393e215411cb6295b10fd485d16008841989c63316d54f0a06184
+size 1276239

data/train/pa4/oproofs-s00001-g000066-0000-3574cbfa2e995ef6.parquet

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3574cbfa2e995ef64a06c2f701f35240a25aa52c3b6de85c197fda6b6f8262f1
+size 264737