Bump postcss from 8.4.19 to 8.4.31

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.19 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.19...8.4.31)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -29,7 +29,7 @@
   "devDependencies": {
     "autoprefixer": "^10.4.4",
     "nodemon": "^2.0.15",
-    "postcss": "^8.4.19",
+    "postcss": "^8.4.31",
     "tailwindcss": "^3.0.23"
   }
 }

yarn.lock

@@ -5850,9 +5850,9 @@ namespace-emitter@^2.0.1:
   version "2.0.1"
   resolved "https://registry.npmjs.org/namespace-emitter/-/namespace-emitter-2.0.1.tgz"
 
-nanoid@^3.3.4:
-  version "3.3.4"
-  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.4.tgz#730b67e3cd09e2deacf03c027c81c9d9dbc5e8ab"
+nanoid@^3.3.6:
+  version "3.3.7"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.3.7.tgz#d0c301a691bc8d54efa0a2226ccf3fe2fd656bd8"
 
 nanoid@^4.0.0:
   version "4.0.0"
@@ -6704,11 +6704,11 @@ postcss@^7.0.35:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.3.5, postcss@^8.4.19, postcss@^8.4.4, postcss@^8.4.6, postcss@^8.4.7:
-  version "8.4.19"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.19.tgz#61178e2add236b17351897c8bcc0b4c8ecab56fc"
+postcss@^8.3.5, postcss@^8.4.31, postcss@^8.4.4, postcss@^8.4.6, postcss@^8.4.7:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
   dependencies:
-    nanoid "^3.3.4"
+    nanoid "^3.3.6"
     picocolors "^1.0.0"
     source-map-js "^1.0.2"