chore(deps-dev): bump postcss from 8.5.15 to 8.5.23 in /web (#61)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.15 to 8.5.23.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.15...8.5.23)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.23
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

web/package-lock.json

@@ -48,7 +48,7 @@
     "@vitest/coverage-v8": "^4.1.9",
     "autoprefixer": "^10.4.20",
     "jsdom": "^29.1.1",
-    "postcss": "^8.5.1",
+    "postcss": "^8.5.23",
     "tailwindcss": "^3.4.17",
     "typescript": "^5.7.2",
     "vite": "^8.0.16",