Fix flaky CI tests

[amaury1093]

Summary of Bug

A couple of tests are flaky. We should fix them.

Version

04246ef

Steps to Reproduce

I noticed several tests that are randomly failing (and more often in the past couple of weeks, but that's a subjective feeling).

• BroadcastTx returns 0x13 instead of 0x0, example
• x/gov/keeper: fix flaky TestPaginatedVotesQuery #9223 TestPaginatedVotesQuery 19 or 20, example
• listen tcp 0.0.0.0:*: bind: address already in use, example
• TestNewAnyWithCustomTypeURLWithErrorNoAllocation: Unexpected allocation of 18446744073709551592 bytes, example
• Fix flaky test: TestRejectedProposalDeposits #11926
• TestCoinTestSuite (RACE) https://github.com/cosmos/cosmos-sdk/runs/6293513010?check_suite_focus=true
• flaky test: TestSnapshotWithPruning #11923
• TestQueryDepositsWithInitialDeposit flaky CI test #12130
• tmservice times out after 30min in test-race (00) #12420
• flaky test: TestCompose #12883
• flaky test: TestIntegrationTestSuite/TestQueryBySig #12975
• TestExecSendAuthzWithAllowList https://github.com/cosmos/cosmos-sdk/actions/runs/4076422834/jobs/7024137353
• test(x/gov): fix flaky TestActivateVotingPeriod test #15153

These flaky tests can be tackled separately.

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