chore(test): update to vitest 3

[seriouslag]

In this PR, we update Vite, Vitest, and linting dependencies and fix general dependency warnings.

• Unit tests needed to be changed to remove hanging promises.
• I removed the call to fetch inside one test, as the fetch was causing a core dump.
• Added a new root folder to hold shared configs
• Created a new package to share base vite(st) configs
• Used shared base vite(st) configs in projects

In the changes, typescript had issues determining the types from the return types of mutations of @tanstack/*-query.
We updated mutations to have a return type explicitly.
This will cause a patch package bump in openapi-ts and update all snapshots involving a mutation using @tanstack/*-query.

We have moved to using base vite(st) configs to configure the runs easier and to change the Windows runs to use threads instead of forks as specified in the vitest common errors.

I am unsure why the code coverage was reduced by so much. Maybe I am missing some coverage files, more code is now counted in the coverage calculations, or the algorithm changed in the update.

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[changeset-bot]

🦋 Changeset detected

Latest commit: ba2e5ca

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@hey-api/openapi-ts	Patch

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Name	Status	Preview	Comments	Updated (UTC)
hey-api-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 13, 2025 10:50pm

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@hey-api/client-axios

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@hey-api/client-fetch

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@hey-api/client-nuxt

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@hey-api/client-next

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@hey-api/nuxt

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@hey-api/openapi-ts

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@hey-api/vite-plugin

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commit: ba2e5ca

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 22.34%. Comparing base (b885405) to head (ba2e5ca).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...rc/plugins/@tanstack/query-core/mutationOptions.ts	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1936      +/-   ##
==========================================
- Coverage   29.03%   22.34%   -6.69%     
==========================================
  Files         194      251      +57     
  Lines       26871    21026    -5845     
  Branches      724      781      +57     
==========================================
- Hits         7802     4699    -3103     
+ Misses      19063    16321    -2742     
  Partials        6        6              

Flag	Coverage Δ
unittests	22.34% <0.00%> (-6.69%)	⬇️

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