* Rpc: add getMultipleAccounts endpoint (#12005)
* Add rpc endpoint to return the state of multiple accounts from the same bank
* Add docs
* Review comments: Dedupe account code, default to base64, add max const
* Add get_multiple_accounts to rpc-client
(cherry picked from commit b22de369b7
)
* Use new_response for consistency
Co-authored-by: Tyera Eulberg <teulberg@gmail.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>