fix(backend): read:admin:show-user と read:admin:show-users を統合

[kakkokari-gtyih]

What

Why

Fix #13791

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

[syuilo]

これ権限分かれてる必要なさそう

[kakkokari-gtyih]

これ権限分かれてる必要なさそう

統一できた（と思う）

[kakkokari-gtyih]

これread:admin:show-usersだけのトークンを発行してた場合どうなるんだろう

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.42%. Comparing base (83a9aa4) to head (b4b167d).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #13798   +/-   ##
========================================
  Coverage    66.42%   66.42%           
========================================
  Files          990      990           
  Lines       116887   116887           
  Branches      5851     5827   -24     
========================================
+ Hits         77640    77647    +7     
+ Misses       37807    37800    -7     
  Partials      1440     1440           

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[github-actions]

このPRによるapi.jsonの差分

差分はこちら

--- base
+++ head
@@ -11903,7 +11903,7 @@
       "post": {
         "operationId": "admin___show-users",
         "summary": "admin/show-users",
-        "description": "No description provided.\n\n**Credential required**: *Yes* / **Permission**: *read:admin:show-users*",
+        "description": "No description provided.\n\n**Credential required**: *Yes* / **Permission**: *read:admin:show-user*",
         "externalDocs": {
           "description": "Source code",
           "url": "https://github.com/misskey-dev/misskey/blob/develop/packages/backend/src/server/api/endpoints/admin/show-users.ts"

Get diff files from Workflow Page

[kakkokari-gtyih]

これread:admin:show-usersだけのトークンを発行してた場合どうなるんだろう

CHANGELOGに書いた

[syuilo]

🙏🏻