deps: bump sdk v0.45.15 - release v4.4.x#3416

crodriguezvega merged 4 commits intorelease/v4.4.xcosmos/ibc-go:release/v4.4.xfrom

carlos/release-v4.4.x-bump-sdk-v0.45.15cosmos/ibc-go:carlos/release-v4.4.x-bump-sdk-v0.45.15Copy head branch name to clipboard