Deprecate SDK 0.43 support

[adizere]

Summary

• SDK 0.43 is discontinued for some time, we should:
  • clearly signal that Hermes is no longer compatible with 0.43 in the changelog
  • deprecate it: I found two lingering references, but we should search the repo
    • ref 1: https://github.com/informalsystems/ibc-rs/blob/4e83aae8afdc9a88a4a126df9d217812672b3992/relayer/src/upgrade_chain.rs#L2
    • ref 2: https://github.com/informalsystems/ibc-rs/blob/4e83aae8afdc9a88a4a126df9d217812672b3992/relayer/src/chain/cosmos/simulate.rs#L17

This is currently blocked on some chains still using SDK 0.42. Refs:

• ibc-go versions cosmos/chainparse#1
• https://github.com/charleenfei/interchain-version-fetcher
  • https://github.com/charleenfei/interchain-version-fetcher/blob/main/versions_28_feb_2022.json

Acceptance Criteria

• Hermes marks any chains that is using SDK 0.43 or older as incompatible, both in guide & code.

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For Admin Use

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• Appropriate labels applied
• Appropriate milestone (priority) applied
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[romac]

We also need to tighten the bounds on the compatibility check:

hermes/crates/relayer/src/chain/cosmos/compatibility.rs

Line 13 in 081a64d

const SDK_MODULE_VERSION_REQ: &str = ">=0.41, <0.47";

and

hermes/crates/relayer/src/chain/cosmos/compatibility.rs

Line 23 in 081a64d

const IBC_GO_MODULE_VERSION_REQ: &str = ">=1.1, <=7";

[adizere]

I agree, upgrading the version requirements to match 0.47 and v7 is quite urgent since I saw multiple operators confused that they're seeing health-check warnings since >1 months ago.