message: update cargo install command
diff: @@ -59,7 +59,7 @@ Hermes is packaged in the `ibc-relayer-cli` Rust crate.
  To install the latest release of Hermes, run the following command in a terminal:
  ```shell
  -cargo install ibc-relayer-cli --bin hermes --locked
  +cargo install ibc-relayer-cli@1.0.0-rc.0 --bin hermes --locked
  ```
  This will download and build the crate `ibc-relayer-cli`, and install the
  