build: bump cosmos-sdk to v0.44.3

[dongsam]

(cherry picked from commit f258fd9877523ff7e6f8b314eaad90ede74034c8)

Description

Bump Cosmos-SDK version to v0.44.3 for compatibility with Gaia upstream version

Ref

• https://github.com/tendermint/farming/pull/201
• https://github.com/cosmos/gaia/pull/1034

---

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[okwme]

LGTM! can this be merged so we can use for the gaia rc3 with cosmos sdk 0.44.3?