fix(deps): update dependency postcss-loader to v6 (#2265)

* fix(deps): update dependency postcss-loader to v6

* Create lemon-shrimps-turn.md

Co-authored-by: Renovate Bot <bot@renovateapp.com>
Co-authored-by: Tobias Deekens <tobias.deekens@commercetools.com>

.changeset/lemon-shrimps-turn.md

@@ -0,0 +1,5 @@
+---
+"@commercetools-frontend/mc-scripts": patch
+---
+
+fix(deps): update dependency postcss-loader to v6

packages/mc-scripts/package.json

@@ -59,7 +59,7 @@
     "postcss-custom-media": "8.0.0",
     "postcss-custom-properties": "11.0.0",
     "postcss-import": "14.0.2",
-    "postcss-loader": "5.3.0",
+    "postcss-loader": "6.1.0",
     "postcss-reporter": "7.0.2",
     "react-dev-utils": "11.0.4",
     "react-refresh": "0.10.0",

yarn.lock

@@ -18967,7 +18967,16 @@ postcss-load-config@3.0.1:
     cosmiconfig "^7.0.0"
     import-cwd "^3.0.0"
 
-postcss-loader@5.3.0, postcss-loader@^5.0.0:
+postcss-loader@6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-6.1.0.tgz#13c800a00b3c7d434a1319a73d85e2df0714cdde"
+  integrity sha512-yA/cXBfACkthZNA2hQxOnaReVfQ6uLmvbEDQzNafpbK40URZJvP/28dL1DG174Gvz3ptkkHbbwDBCh+gXR94CA==
+  dependencies:
+    cosmiconfig "^7.0.0"
+    klona "^2.0.4"
+    semver "^7.3.5"
+
+postcss-loader@^5.0.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-5.3.0.tgz#1657f869e48d4fdb018a40771c235e499ee26244"
   integrity sha512-/+Z1RAmssdiSLgIZwnJHwBMnlABPgF7giYzTN2NOfr9D21IJZ4mQC1R2miwp80zno9M4zMD/umGI8cR+2EL5zw==