chore: update rusty-jwt-tools repo to rust 2024 edition [WPB-16113]

[coriolinus]

What's new in this PR

Per edition guide.

---

PR Submission Checklist for internal contributors

• The PR Title
  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 41.66667% with 7 lines in your changes missing coverage. Please review.

Project coverage is 79.93%. Comparing base (99e29fb) to head (610a18b).
Report is 5 commits behind head on main.

❌ Your patch status has failed because the patch coverage (41.66%) is below the target coverage (50.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #314      +/-   ##
==========================================
+ Coverage   79.91%   79.93%   +0.01%     
==========================================
  Files          49       49              
  Lines        4302     4301       -1     
==========================================
  Hits         3438     3438              
+ Misses        864      863       -1     

[istankovic]

Looks good!