message: Add PR links to raw JSON Schema directory change
diff: @@ -15,10 +15,13 @@ and this project adheres to
  - cosmwasm-std: Add `instantiate2_address` which allows calculating the
  predictable addresses for `MsgInstantiateContract2` ([#1437]).
  - cosmwasm-schema: In contracts, `cosmwasm schema` will now output a separate
  - JSON Schema file for each entrypoint in the `raw` subdirectory.
  + JSON Schema file for each entrypoint in the `raw` subdirectory ([#1478],
  + [#1533]).
  [#1437]: https://github.com/CosmWasm/cosmwasm/issues/1437
  [#1481]: https://github.com/CosmWasm/cosmwasm/pull/1481
  +[#1478]: https://github.com/CosmWasm/cosmwasm/pull/1478
  +[#1533]: https://github.com/CosmWasm/cosmwasm/pull/1533
  ### Changed
  