Bump postcss-load-config from 4.0.2 to 5.0.3

Bumps [postcss-load-config](https://github.com/postcss/postcss-load-config) from 4.0.2 to 5.0.3.
- [Release notes](https://github.com/postcss/postcss-load-config/releases)
- [Changelog](https://github.com/postcss/postcss-load-config/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss-load-config@v4.0.2...v5.0.3)

---
updated-dependencies:
- dependency-name: postcss-load-config
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -36,7 +36,7 @@
     "eslint": "^8.57.0",
     "eslint-plugin-vue": "^9.22.0",
     "postcss": "^8.4.33",
-    "postcss-load-config": "^4.0.2",
+    "postcss-load-config": "^5.0.3",
     "tailwindcss": "^3.4.1",
     "terser-webpack-plugin": "^5.3.10",
     "vue": "^2.7.16",