build(deps-dev): bump postcss from 8.4.47 to 8.4.49 (#779)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.47 to 8.4.49.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.49)

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

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

package.json

@@ -30,7 +30,7 @@
     "eslint": "9.14.0",
     "eslint-config-next": "15.0.3",
     "json": "11.0.0",
-    "postcss": "8.4.47",
+    "postcss": "8.4.49",
     "prettier": "3.3.3",
     "prettier-plugin-tailwindcss": "0.6.8",
     "release-it": "17.10.0",