Bump postcss-import from 15.0.0 to 16.1.0

Bumps [postcss-import](https://github.com/postcss/postcss-import) from 15.0.0 to 16.1.0.
- [Release notes](https://github.com/postcss/postcss-import/releases)
- [Changelog](https://github.com/postcss/postcss-import/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-import@15.0.0...16.1.0)

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

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

Author: dependabot[bot]

package.json

@@ -15,7 +15,7 @@
     "pdf-lib": "^1.17.1",
     "postcss": "^8.4.18",
     "postcss-cli": "^10.1.0",
-    "postcss-import": "15.0.0",
+    "postcss-import": "16.1.0",
     "postcss-scss": "^4.0.4",
     "prettier": "^2.7.1",
     "prettier-plugin-go-template": "^0.0.13",