[PROPOSAL #][DRAFT] Gaia v8-Rho Upgrade

Change log • 2022-10-28 New forum post draft • 2022-06-23 Announced delay of Rho on Twitter • 2022-05-16 Initial proposal for comment here Background Roadmap link: https://github.com/cosmos/gaia/blob/main/docs/roadmap/cosmos-hub-roadmap-2.0.md#v8-rho-upgrade-expected-h2-2022 Please note that the original forum post on the Rho upgrade has been deprecated as it contains a number of inaccuracies, notably due to upstream software delays and Prop 69 failing to pass governance. Since the last v7-Thetha upgrade at height 10,085,397 there have been a number of updates, fixes and new modules added to the Cosmos SDK, IBC and Tendermint. This is a proposal to adopt the final release for the v8-Rho upgrade for the cosmoshub-4 mainnet. It contains the following changes: • (gaia) bump cosmos-sdk to v0.46.3 . See CHANGELOG.md for details including an updated gov module • (gaia) bump ibc-go module to v5.0.1 . See CHANGELOG.md . • (gaia) bump Liquidity module to v2.0.1 . • (gaia) bump packet-forwarding-middleware to depend on ibc-go v5. • (feat) add icamauch (Interchain Account Message Authorization) module. • (feat) add globalfee module. • (feat) Add Groups module.…

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