Add changeset comments data

changeset_comments_data/part-0.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:13363d95f53313db9e88e2b16ca32fb4c2c94612a451d017484374bc2355be96
-size 152785920
+oid sha256:86f09ab739c7274ed837ba95e68d8f9fddefabfcd638f20ee9f2131c08771558
+size 152747527

changeset_comments_data/part-1.parquet

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:faa2c8267dfaab6515322b69d4442e87415715b098ff738532a66b8df0de8ba5
-size 78595919
+oid sha256:7edc88df6fecd327b09e4754a081d47ac3fe60dfc931e74896d11dbf18ad8845
+size 80916203