Update dependency postcss-mixins to v12.1.2

Author: renovate[bot]

package.json

@@ -47,7 +47,7 @@
 		"postcss-extend": "1.0.5",
 		"postcss-flexbugs-fixes": "5.0.2",
 		"postcss-for": "2.1.1",
-		"postcss-mixins": "12.0.0",
+		"postcss-mixins": "12.1.2",
 		"postcss-nested": "7.0.2",
 		"postcss-normalize": "13.0.1",
 		"postcss-utilities": "0.8.4"

yarn.lock

@@ -675,10 +675,10 @@ postcss-load-config@^5.0.0:
     lilconfig "^3.0.0"
     yaml "^2.3.4"
 
-postcss-mixins@12.0.0:
-  version "12.0.0"
-  resolved "https://registry.yarnpkg.com/postcss-mixins/-/postcss-mixins-12.0.0.tgz#1eeb8a7313a45d0b707a294640c612cc70a336d9"
-  integrity sha512-br7vXwoA5niiQAW3BLgd66xoGie/JJ1O4k7uLDbb+fbdYFXouxAjppIkBZDpPtSIzx63WeVXRGEYStSYa5kQmw==
+postcss-mixins@12.1.2:
+  version "12.1.2"
+  resolved "https://registry.yarnpkg.com/postcss-mixins/-/postcss-mixins-12.1.2.tgz#8a82ccad16eb60525ebcd2a8eec5721230a9ca14"
+  integrity sha512-90pSxmZVfbX9e5xCv7tI5RV1mnjdf16y89CJKbf/hD7GyOz1FCxcYMl8ZYA8Hc56dbApTKKmU9HfvgfWdCxlwg==
   dependencies:
     postcss-js "^4.0.1"
     postcss-simple-vars "^7.0.1"