fix(deps): update dependency postcss-import to v14 (#1155)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

packages/website/package.json

@@ -26,7 +26,7 @@
     "file-loader": "6.2.0",
     "my-loaders": "file:plugins/my-loaders",
     "postcss": "8.3.11",
-    "postcss-import": "12.0.0",
+    "postcss-import": "14.0.2",
     "postcss-preset-env": "6.7.0",
     "prism-react-renderer": "1.2.1",
     "react": "17.0.2",

yarn.lock

@@ -17476,13 +17476,12 @@ postcss-image-set-function@^3.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-import@12.0.0:
-  version "12.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-import/-/postcss-import-12.0.0.tgz#149f96a4ef0b27525c419784be8517ebd17e92c5"
-  integrity sha512-3KqKRZcaZAvxbY8DVLdd81tG5uKzbUQuiWIvy0o0fzEC42bKacqPYFWbfCQyw6L4LWUaqPz/idvIdbhpgQ32eQ==
+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==
   dependencies:
-    postcss "^7.0.1"
-    postcss-value-parser "^3.2.3"
+    postcss-value-parser "^4.0.0"
     read-cache "^1.0.0"
     resolve "^1.1.7"
 
@@ -18237,7 +18236,7 @@ postcss-value-parser@^3.0.0, postcss-value-parser@^3.2.3, postcss-value-parser@^
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-3.3.1.tgz#9ff822547e2893213cf1c30efa51ac5fd1ba8281"
   integrity sha512-pISE66AbVkp4fDQ7VHBwRNXzAAKJjw4Vw7nWI/+Q3vuly7SNfgYXvm6i5IgFylHGK5sP/xHAbB7N49OS4gWNyQ==
 
-postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
+postcss-value-parser@^4.0.0, postcss-value-parser@^4.0.2, postcss-value-parser@^4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/postcss-value-parser/-/postcss-value-parser-4.1.0.tgz#443f6a20ced6481a2bda4fa8532a6e55d789a2cb"
   integrity sha512-97DXOFbQJhk71ne5/Mt6cOu6yxsSfM0QGQyl0L25Gca4yGWEGJaig7l7gbCX623VqTBNGLRLaVUCnNkcedlRSQ==