NPM Dev(deps-dev): Bump postcss from 8.5.3 to 8.5.4

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.3 to 8.5.4.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.3...8.5.4)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "cypress": "^14.4.0",
     "cypress-axe": "^1.6.0",
     "glob": "^11.0.2",
-    "postcss": "^8.5.3",
+    "postcss": "^8.5.4",
     "postcss-loader": "^8.1.1",
     "tailwindcss": "^3.4.17"
   },