deps: bump postcss from 8.1.4 to 8.1.6 (#849)

Bumps [postcss](https://github.com/postcss/postcss) from 8.1.4 to 8.1.6.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss@8.1.4...8.1.6)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

packages/config-webpack/package.json

@@ -46,7 +46,7 @@
     "file-loader": "^6.2.0",
     "html-webpack-plugin": "^4.5.0",
     "is-docker": "^2.1.1",
-    "postcss": "^8.1.4",
+    "postcss": "^8.1.6",
     "postcss-browser-reporter": "^0.6.0",
     "postcss-import": "^13.0.0",
     "postcss-loader": "^4.0.4",

yarn.lock

@@ -11191,16 +11191,11 @@ nan@^2.12.1:
   resolved "https://registry.yarnpkg.com/nan/-/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==
 
-nanoid@^3.1.12:
+nanoid@^3.1.12, nanoid@^3.1.16:
   version "3.1.16"
   resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.16.tgz#b21f0a7d031196faf75314d7c65d36352beeef64"
   integrity sha512-+AK8MN0WHji40lj8AEuwLOvLSbWYApQpre/aFJZD71r43wVRLrOYS4FmJOPQYon1TqB462RzrrxlfA74XRES8w==
 
-nanoid@^3.1.15:
-  version "3.1.15"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.15.tgz#28e7c4ce56aff2d0c2d37814c7aef9d6c5b3e6f3"
-  integrity sha512-n8rXUZ8UU3lV6+43atPrSizqzh25n1/f00Wx1sCiE7R1sSHytZLTTiQl8DjC4IDLOnEZDlgJhy0yO4VsIpMxow==
-
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.yarnpkg.com/nanomatch/-/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -13197,14 +13192,14 @@ postcss@8.1.1:
     nanoid "^3.1.12"
     source-map "^0.6.1"
 
-postcss@^8.1.4:
-  version "8.1.4"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.4.tgz#356dfef367a70f3d04347f74560c85846e20e4c1"
-  integrity sha512-LfqcwgMq9LOd8pX7K2+r2HPitlIGC5p6PoZhVELlqhh2YGDVcXKpkCseqan73Hrdik6nBd2OvoDPUaP/oMj9hQ==
+postcss@^8.1.4, postcss@^8.1.6:
+  version "8.1.6"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.1.6.tgz#b022ba2cfb8701da234d073ed3128c5a384c35ff"
+  integrity sha512-JuifSl4h8dJ70SiMXKjzCxhalE6p2TnMHuq9G8ftyXj2jg6SXzqCsEuxMj9RkmJoO5D+Z9YrWunNkxqpRT02qg==
   dependencies:
     colorette "^1.2.1"
     line-column "^1.0.2"
-    nanoid "^3.1.15"
+    nanoid "^3.1.16"
     source-map "^0.6.1"
 
 prebuild-install@^5.3.5: