Update dependency postcss to v8.2.8

Author: renovate-bot

package.json

@@ -59,7 +59,7 @@
 		"mini-css-extract-plugin": "1.3.9",
 		"node-sass": "5.0.0",
 		"node-sass-magic-importer": "5.3.2",
-		"postcss": "8.2.7",
+		"postcss": "8.2.8",
 		"postcss-cli": "8.3.1",
 		"postcss-easy-import": "3.0.0",
 		"postcss-flexbugs-fixes": "5.0.2",

yarn.lock

@@ -7315,7 +7315,7 @@ postcss-calc@^7.0.1:
     postcss-selector-parser "^6.0.2"
     postcss-value-parser "^4.0.2"
 
-postcss-cli@^8.3.1:
+postcss-cli@8.3.1:
   version "8.3.1"
   resolved "https://registry.yarnpkg.com/postcss-cli/-/postcss-cli-8.3.1.tgz#865dad08300ac59ae9cecb7066780aa81c767a77"
   integrity sha512-leHXsQRq89S3JC9zw/tKyiVV2jAhnfQe0J8VI4eQQbUjwIe0XxVqLrR+7UsahF1s9wi4GlqP6SJ8ydf44cgF2Q==
@@ -7639,7 +7639,7 @@ postcss-normalize-whitespace@^4.0.2:
     postcss "^7.0.0"
     postcss-value-parser "^3.0.0"
 
-postcss-normalize@^9.0.0:
+postcss-normalize@9.0.0:
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/postcss-normalize/-/postcss-normalize-9.0.0.tgz#3b551279f78ec3b2e151bc8cf52ff6e46c4cc60c"
   integrity sha512-//kq5O1xkygzN1iCioFIBtzyVTgB6ce9+Hu0mNHuUhPn+FnnFSPybe5kBemnUPPqd7QrHc+kdX6GVECUWdU2uQ==
@@ -7814,10 +7814,10 @@ postcss@7.0.7:
     source-map "^0.6.1"
     supports-color "^5.5.0"
 
-postcss@8.2.7, postcss@^8.2.6:
-  version "8.2.7"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.7.tgz#48ed8d88b4de10afa0dfd1c3f840aa57b55c4d47"
-  integrity sha512-DsVLH3xJzut+VT+rYr0mtvOtpTjSyqDwPf5EZWXcb0uAKfitGpTY9Ec+afi2+TgdN8rWS9Cs88UDYehKo/RvOw==
+postcss@8.2.8:
+  version "8.2.8"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.8.tgz#0b90f9382efda424c4f0f69a2ead6f6830d08ece"
+  integrity sha512-1F0Xb2T21xET7oQV9eKuctbM9S7BC0fetoHCc4H13z0PT6haiRLP4T0ZY4XWh7iLP0usgqykT6p9B2RtOf4FPw==
   dependencies:
     colorette "^1.2.2"
     nanoid "^3.1.20"
@@ -7832,6 +7832,15 @@ postcss@^6.0.1, postcss@^6.0.11, postcss@^6.0.14:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
+postcss@^8.2.6:
+  version "8.2.7"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.7.tgz#48ed8d88b4de10afa0dfd1c3f840aa57b55c4d47"
+  integrity sha512-DsVLH3xJzut+VT+rYr0mtvOtpTjSyqDwPf5EZWXcb0uAKfitGpTY9Ec+afi2+TgdN8rWS9Cs88UDYehKo/RvOw==
+  dependencies:
+    colorette "^1.2.2"
+    nanoid "^3.1.20"
+    source-map "^0.6.1"
+
 prebuild-install@^5.3.5:
   version "5.3.6"
   resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-5.3.6.tgz#7c225568d864c71d89d07f8796042733a3f54291"