Bump postcss from 8.2.5 to 8.2.6

Bumps [postcss](https://github.com/postcss/postcss) from 8.2.5 to 8.2.6.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.2.5...8.2.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -63,7 +63,7 @@
   "lint-staged": "^10.5.4",
   "mini-css-extract-plugin": "^1.3.6",
   "npm-run-all": "^4.1.5",
-  "postcss": "^8.2.5",
+  "postcss": "^8.2.6",
   "postcss-loader": "^5.0.0",
   "prettier": "^2.2.1",
   "release-it": "^14.3.0",

yarn.lock

@@ -6749,10 +6749,10 @@ postcss@^7.0.14:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
-postcss@^8.2.4, postcss@^8.2.5:
-  version "8.2.5"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.5.tgz#3c75149ada4e93db9521913654c0144517f77c9a"
-  integrity sha512-wMcb7BpDcm3gxQOQx46NDNT36Kk0Ao6PJLLI2ed5vehbbbxCEuslSQzbQ2sfSKy+gkYxhWcGWSeaK+gwm4KIZg==
+postcss@^8.2.4, postcss@^8.2.6:
+  version "8.2.6"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.6.tgz#5d69a974543b45f87e464bc4c3e392a97d6be9fe"
+  integrity sha512-xpB8qYxgPuly166AGlpRjUdEYtmOWx2iCwGmrv4vqZL9YPVviDVPZPRXxnXr6xPZOdxQ9lp3ZBFCRgWJ7LE3Sg==
   dependencies:
     colorette "^1.2.1"
     nanoid "^3.1.20"