chore(deps-dev): bump postcss-import from 14.1.0 to 15.0.0

Bumps [postcss-import](https://github.com/postcss/postcss-import) from 14.1.0 to 15.0.0.
- [Release notes](https://github.com/postcss/postcss-import/releases)
- [Changelog](https://github.com/postcss/postcss-import/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-import@14.1.0...15.0.0)

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

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

package.json

@@ -25,7 +25,7 @@
     "pascal-case": "^3.1.2",
     "postcss": "^8.4.16",
     "postcss-cli": "^10.0.0",
-    "postcss-import": "^14.1.0",
+    "postcss-import": "^15.0.0",
     "snake-case": "^3.0.4",
     "standard-version": "^9.5.0",
     "tailwindcss": "^3.1.8",