build(deps): remove github.com/dgrijalva/jwt-go

Description

This PR removes github.com/dgrijalva/jwt-go from the dependencies as it was unused.

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...

[ ] included the correct type prefix in the PR title
[ ] added ! to the type prefix if API or client breaking change
[ ] 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
[ ] 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 Report

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

Comparison is base (946bfe8) 81.49% compared to head (2132472) 81.49%. Report is 1 commits behind head on master.

:exclamation: Current head 2132472 differs from pull request most recent head 434d7c7. Consider uploading reports for the commit 434d7c7 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1272 +/- ## ======================================= Coverage 81.49% 81.49% ======================================= Files 218 218 Lines 18273 18273 ======================================= Hits 14892 14892 Misses 2772 2772 Partials 609 609 ```

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desmos-labs / desmos