deps(misskey-js): Update openapi-typescript to v7

[kakkokari-gtyih]

What

生成する型は全部POSTに寄せるようにした

Why

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 39.36%. Comparing base (208b201) to head (2d15123).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #15491      +/-   ##
===========================================
- Coverage    40.35%   39.36%   -0.99%     
===========================================
  Files         1611     1611              
  Lines       210727   210759      +32     
  Branches      4100     3789     -311     
===========================================
- Hits         85031    82972    -2059     
- Misses      125054   127139    +2085     
- Partials       642      648       +6     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.