Use postgres:latest

[nanasess]

see #1018 (comment)

PostgreSQL の下位互換性は優れているため、 postgres:latest を指定して もほぼ問題ない。
latest とすることで、メジャーバージョンアップで何か問題が発生した場合に迅速に検知可能。

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.72%. Comparing base (4f72a1f) to head (0d630bd).
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1036   +/-   ##
=======================================
  Coverage   51.72%   51.72%           
=======================================
  Files          80       80           
  Lines       10202    10202           
=======================================
  Hits         5277     5277           
  Misses       4925     4925           

Flag	Coverage Δ
tests	51.72% <ø> (ø)

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[seasoftjapan]

以下をマージしたブランチを作成。

• dependabot/composer/phpstan/phpdoc-parser-1.33.0
• nanasess:use-pgsql17
• dependabot/composer/phpstan/phpstan-1.12.7
• dependabot/npm_and_yarn/playwright/test-1.48.2

以下を確認した。

• PHPStan、PHPUnit、Playwright
• フロント: 会員登録、購入手続き
• 管理: ログイン、商品複製