feat(link): add view-transition prop

[posva]

<template>
  <RouterLink to="/some-page" view-transition>
    Go to some page
  </RouterLink>
</template>

Limitations:

• Since it the view transition triggers right away, the DOM visually freezes until the navigation is completed but it still allows to have a nice effect with minimal code

Example by Evan

[netlify]

✅ Deploy Preview for vue-router canceled.

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[codecov]

Codecov Report

Attention: Patch coverage is 76.19048% with 5 lines in your changes missing coverage. Please review.

Project coverage is 97.31%. Comparing base (be68148) to head (bd2dd8c).
Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/router/src/RouterLink.ts	76.19%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2356      +/-   ##
==========================================
- Coverage   97.39%   97.31%   -0.08%     
==========================================
  Files          26       26              
  Lines        6020     6040      +20     
  Branches      824      827       +3     
==========================================
+ Hits         5863     5878      +15     
- Misses        155      159       +4     
- Partials        2        3       +1     

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