Bump postcss-import from 14.0.2 to 15.1.0

Bumps [postcss-import](https://github.com/postcss/postcss-import) from 14.0.2 to 15.1.0.
- [Release notes](https://github.com/postcss/postcss-import/releases)
- [Changelog](https://github.com/postcss/postcss-import/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-import/compare/14.0.2...15.1.0

)

---
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

@@ -52,7 +52,7 @@
     "postcss": "^8.4.14",
     "postcss-cli": "^8.3.1",
     "postcss-header": "^3.0.1",
-    "postcss-import": "^14.0.2",
+    "postcss-import": "^15.1.0",
     "postcss-prefixer": "^2.1.3",
     "postcss-preset-env": "^6.7.0",
     "prettier": "^2.7.1"

yarn.lock

@@ -1889,10 +1889,10 @@ postcss-image-set-function@^3.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-import@^14.0.2:
-  version "14.0.2"
-  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-14.0.2.tgz#60eff77e6be92e7b67fe469ec797d9424cae1aa1"
-  integrity sha512-BJ2pVK4KhUyMcqjuKs9RijV5tatNzNa73e/32aBVE/ejYPe37iH+6vAu9WvqUkB5OAYgLHzbSvzHnorybJCm9g==
+postcss-import@^15.1.0:
+  version "15.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-15.1.0.tgz#41c64ed8cc0e23735a9698b3249ffdbf704adc70"
+  integrity sha512-hpr+J05B2FVYUAXHeK1YyI267J/dDDhMU6B6civm8hSY1jYJnBXxzKDKDswzJmtLHryrjhnDjqqp/49t8FALew==
   dependencies:
     postcss-value-parser "^4.0.0"
     read-cache "^1.0.0"