Add changeset comments data

changeset_comments_data/part-0.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:10fdacfaea2448e64adf83eb2cc66d212f91abe5dddd7e5b27269ecf9b549a51
-size 151175736
+oid sha256:8555d583ed2f19be28896531e87534b52fc6cf2f38cc76c69d1dbe538eaa49c5
+size 151228747

changeset_comments_data/part-1.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:cc1a5243e095d57f1e5de3dda8361e429759ff40fc7f8a49b2194bc8c1981c8e
-size 95936747
+oid sha256:212d568496fd823d4ce3dab75864d7e08a34d7819f402135c43d41ceef84e44c
+size 98451541