build(deps-dev): bump the development-dependencies group with 2 updates (#293)

Bumps the development-dependencies group with 2 updates: [postcss](https://github.com/postcss/postcss) and [prettier](https://github.com/prettier/prettier).


Updates `postcss` from 8.5.5 to 8.5.6
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.5...8.5.6)

Updates `prettier` from 3.5.3 to 3.6.2
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.5.3...3.6.2)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: prettier
  dependency-version: 3.6.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: development-dependencies
...

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

Author: dependabot[bot]

package-lock.json

@@ -34,8 +34,8 @@
     "@types/jest": "^29.5.14",
     "jest": "^30.0.0",
     "lint-staged": "^16.1.2",
-    "postcss": "^8.5.5",
-    "prettier": "^3.5.3",
+    "postcss": "^8.5.6",
+    "prettier": "^3.6.2",
     "rimraf": "^6.0.1",
     "ts-jest": "^29.4.0",
     "typescript": "^5.8.3"