build(deps)!: bump ICS to v4.3.0-lsm-rc0

[mpoke]

Description

Closes: #XXXX

Also bumps the following dependencies:

• bump SDK to https://github.com/cosmos/cosmos-sdk/releases/tag/v0.47.16-ics-lsm
• bump IBC to https://github.com/cosmos/ibc-go/releases/tag/v7.6.0

---

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[MSalopek]

commit 4a3f654 was cherry-picked onto #3149.

Closing.