build(deps)!: bump SDK to 0.50.10-lsm, IBC to 8.5.2, and Comet to 0.38.15

[mpoke]

Description

Closes: #XXXX

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[MSalopek]

Guess we can't bump comet without re-doing parts of ICS? Failing testcase:

=== RUN   TestCCVTestSuite/TestBasicSlashPacketThrottling
    common.go:220: 
            Error Trace:    /home/runner/go/pkg/mod/github.com/cosmos/interchain-security/v6@v6.1.0/tests/integration/common.go:220
                                        /home/runner/go/pkg/mod/github.com/cosmos/interchain-security/v6@v6.1.0/tests/integration/throttle.go:122
            Error:          Received unexpected error:
                            undefined/1: "validator set is not tendermint validator set: proposer not in validator set"
            Test:           TestCCVTestSuite/TestBasicSlashPacketThrottling