build(deps)!: bump cosmos sdk to v0.50.3

[dadamu]

Description

Closes: #XXXX This PR bumps cosmos-sdk to v0.50.0, ibc-go to v8 and wasmd to v0.50.0.

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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
• [x] 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
• [ ] 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
• [ ] 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

Attention: 96 lines in your changes are missing coverage. Please review.

Comparison is base (bc175e5) 81.04% compared to head (568b329) 17.63%. Report is 1 commits behind head on master.

Files	Patch %	Lines
app/app.go	69.66%	26 Missing and 1 partial :warning:
app/export.go	6.89%	26 Missing and 1 partial :warning:
x/posts/simulation/operations.go	0.00%	11 Missing :warning:
x/profiles/simulation/operations.go	0.00%	9 Missing :warning:
x/profiles/simulation/utils.go	0.00%	6 Missing :warning:
x/profiles/module.go	0.00%	5 Missing :warning:
tests/wasm/helpers.go	90.62%	2 Missing and 1 partial :warning:
app/desmos/cmd/sign/sign.go	33.33%	2 Missing :warning:
x/posts/keeper/alias_functions.go	81.81%	2 Missing :warning:
app/utils.go	0.00%	1 Missing :warning:
... and 3 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1246 +/- ## =========================================== - Coverage 81.04% 17.63% -63.41% =========================================== Files 218 372 +154 Lines 17880 105987 +88107 =========================================== + Hits 14490 18695 +4205 - Misses 2778 85974 +83196 - Partials 612 1318 +706 ```

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[dadamu]

Rebased

[dadamu]

Rebased

[dadamu]

@RiccardoM Rebased