Bump postcss-cli from 8.1.0 to 8.2.0

Bumps [postcss-cli](https://github.com/postcss/postcss-cli) from 8.1.0 to 8.2.0.
- [Release notes](https://github.com/postcss/postcss-cli/releases)
- [Changelog](https://github.com/postcss/postcss-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss-cli/compare/8.1.0...8.2.0)

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

package.json

@@ -57,7 +57,7 @@
     "npm-run-all": "^4.1.5",
     "postcss": "^8.x",
     "postcss-clean": "^1.1.0",
-    "postcss-cli": "^8.1.0",
+    "postcss-cli": "^8.2.0",
     "postcss-color-rgba-fallback": "^4.0.0",
     "postcss-focus": "^5.0.1",
     "postcss-import": "^13.0.0",

yarn.lock

@@ -6256,10 +6256,10 @@ postcss-clean@^1.1.0:
     clean-css "^4.x"
     postcss "^6.x"
 
-postcss-cli@^8.1.0:
-  version "8.1.0"
-  resolved "https://registry.yarnpkg.com/postcss-cli/-/postcss-cli-8.1.0.tgz#cc93de3c652bf167a213ef689a855ae7fb1c8745"
-  integrity sha512-FYuV5zyYX53X5RywInxjWLqHZ4oCBC3nDwrHYU3Z75mFqUo5IHfbeY593heWSagG90nPnXq3tXCck8+2CUl8EA==
+postcss-cli@^8.2.0:
+  version "8.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-cli/-/postcss-cli-8.2.0.tgz#f94ad3792e4daece87f70fb4bda9368bb02bbf60"
+  integrity sha512-N7tgPpB/2yXk/04irc/RiImCkftVw42STaploQBeOT1xvrIkyG+YW+TsHAJ57xWwL+b0AjXnqs5/RL/1XIh2Lw==
   dependencies:
     chalk "^4.0.0"
     chokidar "^3.3.0"
@@ -6271,6 +6271,7 @@ postcss-cli@^8.1.0:
     postcss-reporter "^7.0.0"
     pretty-hrtime "^1.0.3"
     read-cache "^1.0.0"
+    slash "^3.0.0"
     yargs "^16.0.0"
 
 postcss-color-rgba-fallback@^4.0.0: