fix(backend): Remove @types/node-fetch

[woxtu]

What

@types/node-fetchを消して pnpm install するときに出る警告を解決します。

Why

Since 3.x types are bundled with node-fetch, so you don't need to install any additional packages.
https://github.com/node-fetch/node-fetch?tab=readme-ov-file#typescript

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

[github-actions]

このPRによるapi.jsonの差分

差分はこちら

Get diff files from Workflow Page

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.90%. Comparing base (43cccaa) to head (ff9fef4).

Additional details and impacted files

@@             Coverage Diff              @@
##           develop   #13948       +/-   ##
============================================
- Coverage    77.84%   64.90%   -12.95%     
============================================
  Files          185      987      +802     
  Lines        25595   112658    +87063     
  Branches       487     4484     +3997     
============================================
+ Hits         19924    73116    +53192     
- Misses        5664    39511    +33847     
- Partials         7       31       +24     

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[tai-cha]

確かに現行では"node-fetch": "3.3.2",が導入されていて必要なさそうですね👍🏻

[syuilo]

🙏🏻