chore(deps): update dependency postcss-nested to v7

Author: renovate[bot]

docsSrc/package.json

@@ -73,7 +73,7 @@
     "postcss-hexrgba": "2.1.0",
     "postcss-import": "15.0.0",
     "postcss-loader": "7.0.1",
-    "postcss-nested": "6.0.0",
+    "postcss-nested": "7.0.2",
     "postcss-responsive-type": "1.0.0",
     "postcss-simple-vars": "7.0.1",
     "prettier": "^2.6.2",

docsSrc/yarn.lock

@@ -9880,6 +9880,13 @@ postcss-nested@6.0.0:
   dependencies:
     postcss-selector-parser "^6.0.10"
 
+postcss-nested@7.0.2:
+  version "7.0.2"
+  resolved "https://registry.yarnpkg.com/postcss-nested/-/postcss-nested-7.0.2.tgz#863d83a6b5df0a2894560394be93d5383ea37a65"
+  integrity sha512-5osppouFc0VR9/VYzYxO03VaDa3e8F23Kfd6/9qcZTUI8P58GIYlArOET2Wq0ywSl2o2PjELhYOFI4W7l5QHKw==
+  dependencies:
+    postcss-selector-parser "^7.0.0"
+
 postcss-normalize-charset@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/postcss-normalize-charset/-/postcss-normalize-charset-5.1.0.tgz#9302de0b29094b52c259e9b2cf8dc0879879f0ed"
@@ -9981,6 +9988,14 @@ postcss-selector-parser@6.0.10, postcss-selector-parser@^6.0.10, postcss-selecto
     cssesc "^3.0.0"
     util-deprecate "^1.0.2"
 
+postcss-selector-parser@^7.0.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-selector-parser/-/postcss-selector-parser-7.1.0.tgz#4d6af97eba65d73bc4d84bcb343e865d7dd16262"
+  integrity sha512-8sLjZwK0R+JlxlYcTuVnyT2v+htpdrjDOKuMcOVdYjt52Lh8hWRYpxBPoKx/Zg+bcjc3wx6fmQevMmUztS/ccA==
+  dependencies:
+    cssesc "^3.0.0"
+    util-deprecate "^1.0.2"
+
 postcss-simple-vars@7.0.1:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/postcss-simple-vars/-/postcss-simple-vars-7.0.1.tgz#836b3097a54dcd13dbd3c36a5dbdd512fad2954c"