Update to react-router 7

[acelaya]

Following the migration guide, update the project to react-router 7

It also updates to @shlinkio/shlink-frontend-kit 0.7 and @shlinkio/shlink-web-component 0.12, since those versions support react-router 7

[github-actions]

Preview environment

https://shlinkio.github.io/shlink-web-client/feature/react-router-7/

[codecov]

Codecov Report

Attention: Patch coverage is 90.47619% with 2 lines in your changes missing coverage. Please review.

Project coverage is 79.44%. Comparing base (44e9a33) to head (a65c717).
Report is 13 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/app/App.tsx	71.42%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1395      +/-   ##
===========================================
- Coverage    79.53%   79.44%   -0.10%     
===========================================
  Files           49       49              
  Lines         1290     1294       +4     
  Branches       244      246       +2     
===========================================
+ Hits          1026     1028       +2     
  Misses          21       21              
- Partials       243      245       +2     

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