Update dependency postcss to v8.4.12

Author: renovate-bot

package.json

@@ -132,7 +132,7 @@
     "webpack": "5.70.0"
   },
   "resolutions": {
-    "ember-css-modules/postcss": "8.4.8",
+    "ember-css-modules/postcss": "8.4.12",
     "ember-inflector": "4.0.2",
     "ember-modifier": "3.1.0",
     "miragejs": "0.1.43"

yarn.lock

@@ -11864,10 +11864,10 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
-[email protected].8, postcss@^8.0.0, postcss@^8.1.4, postcss@^8.2.15:
-  version "8.4.8"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.8.tgz#dad963a76e82c081a0657d3a2f3602ce10c2e032"
-  integrity sha512-2tXEqGxrjvAO6U+CJzDL2Fk2kPHTv1jQsYkSoMeOis2SsYaXRO2COxTdQp99cYvif9JTXaAk9lYGc3VhJt7JPQ==
+[email protected].12, postcss@^8.0.0, postcss@^8.1.4, postcss@^8.2.15:
+  version "8.4.12"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.12.tgz#1e7de78733b28970fa4743f7da6f3763648b1905"
+  integrity sha512-lg6eITwYe9v6Hr5CncVbK70SoioNQIq81nsaG86ev5hAidQvmOeETBqs7jm43K2F5/Ley3ytDtriImV6TpNiSg==
   dependencies:
     nanoid "^3.3.1"
     picocolors "^1.0.0"
@@ -12643,12 +12643,12 @@ rxjs@^6.4.0, rxjs@^6.6.0:
   dependencies:
     tslib "^1.9.0"
 
-[email protected], safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+[email protected], safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
   integrity sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==
 
-[email protected], safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.0:
+[email protected], safe-buffer@^5.2.0:
   version "5.2.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==