fix: cosmovisor test download url

[ryanchristo]

Description

Closes: #9919

This pull request updates the location of the download binary used in cosmovisor tests.

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[orijbot]

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[alexanderbez]

@ryanchristo looks like we missed one? https://github.com/cosmos/cosmos-sdk/pull/9921/checks?check_run_id=3315225438 (this ran after this PR was merged I believe).

[ryanchristo]

@ryanchristo looks like we missed one? https://github.com/cosmos/cosmos-sdk/pull/9921/checks?check_run_id=3315225438 (this ran after this PR was merged I believe).

Oof. Not immediately visible where that one is coming from. Looking into it.

[ryanchristo]

It's in one of the zip files. Will open another pull request to fix.