build(deps): bump github.com/cosmos/cosmos-sdk to v0.47.7

[RiccardoM]

Description

This PR bumps github.com/cosmos/cosmos-sdk to v0.47.7.

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Author Checklist

All items are required. Please add a note to the item if the item is not applicable and please add links to any relevant follow up issues.

I have...

• [x] included the correct type prefix in the PR title
• [ ] added ! to the type prefix if API or client breaking change
• [x] targeted the correct branch (see PR Targeting)
• [ ] provided a link to the relevant issue or specification
• [x] followed the guidelines for building modules
• [ ] included the necessary unit and integration tests
• [ ] added a changelog entry to CHANGELOG.md
• [ ] included comments for documenting Go code
• [ ] updated the relevant documentation or specification
• [x] reviewed "Files changed" and left comments if necessary
• [x] confirmed all CI checks have passed

Reviewers Checklist

All items are required. Please add a note if the item is not applicable and please add your handle next to the items reviewed if you only reviewed selected items.

I have...

• [ ] confirmed the correct type prefix in the PR title
• [ ] confirmed ! in the type prefix if API or client breaking change
• [ ] confirmed all author checklist items have been addressed
• [ ] reviewed state machine logic
• [ ] reviewed API design and naming
• [ ] reviewed documentation is accurate
• [ ] reviewed tests and test coverage
• [ ] manually tested (if applicable)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (4081830) 81.04% compared to head (b5de4df) 81.04%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1286 +/- ## ======================================= Coverage 81.04% 81.04% ======================================= Files 218 218 Lines 17880 17880 ======================================= Hits 14490 14490 Misses 2778 2778 Partials 612 612 ```

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