`hermes tx raw upgrade-chain` still uses `src`/`dst` convention

[plafer]

Summary of Bug

The hermes tx raw upgrade-chain still uses the old convention of src/dst instead of reference/host.

hermes tx raw upgrade-chain [OPTIONS] --dst-chain <DST_CHAIN_ID> --src-chain <SRC_CHAIN_ID> --src-client <SRC_CLIENT_ID> --amount <AMOUNT> --height-offset <HEIGHT_OFFSET>

Version

0.15

Acceptance Criteria

host/reference/a/b convention is used instead of src/dst

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