chore: change yorkie to simple-git-hooks

[skirtles-code]

While reviewing #2464, I noticed that the formatting was incorrect on the imports. I wondered why that hadn't been automatically fixed on commit.

There are several reasons why this isn't working. I didn't want to create a huge PR, so here I've just switched yorkie to simple-git-hooks. By itself, this wouldn't have prevented the formatting problems seen in #2464, as it isn't checking .mjs files. Changing that is more complicated than it sounds, so I'll open other PRs to fix the other problems.

yorkie doesn't work with pnpm, the git hooks aren't created. For anyone who cloned the repo before it used pnpm, it might appear as though everything is working fine, but the git hooks aren't created for a fresh clone.

Most of the Vue ecosystem has moved away from yorkie and is now using simple-git-hooks, including Vue core and Pinia.

For reference, vuejs/core#7069 is the PR that migrated Vue core. The changes I've made here are very similar.

Close #2464

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npm i https://pkg.pr.new/vue-router@2466

commit: 606d5ed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.88%. Comparing base (1ad847e) to head (606d5ed).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2466   +/-   ##
=======================================
  Coverage   94.88%   94.88%           
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  Files          34       34           
  Lines        2993     2993           
  Branches      845      845           
=======================================
  Hits         2840     2840           
  Misses        150      150           
  Partials        3        3           

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[posva]

Thanks a lot! This is long overdue