chore(deps-dev): bump postcss from 8.4.21 to 8.4.31

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.21 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@8.4.21...8.4.31)

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

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

package.json

@@ -75,7 +75,7 @@
     "node-mocks-http": "1.12.1",
     "node-talisman": "1.29.7",
     "pino-pretty": "9.1.1",
-    "postcss": "8.4.21",
+    "postcss": "8.4.31",
     "prettier": "2.8.4",
     "stylelint": "14.16.1",
     "stylelint-config-prettier-scss": "0.0.1",

yarn.lock

@@ -7035,6 +7035,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"nanoid@npm:^3.3.6":
+  version: 3.3.6
+  resolution: "nanoid@npm:3.3.6"
+  bin:
+    nanoid: bin/nanoid.cjs
+  checksum: 7d0eda657002738aa5206107bd0580aead6c95c460ef1bdd0b1a87a9c7ae6277ac2e9b945306aaa5b32c6dcb7feaf462d0f552e7f8b5718abfc6ead5c94a71b3
+  languageName: node
+  linkType: hard
+
 "napi-build-utils@npm:^1.0.1":
   version: 1.0.2
   resolution: "napi-build-utils@npm:1.0.2"
@@ -7966,7 +7975,18 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:8.4.21, postcss@npm:^8.0.9, postcss@npm:^8.4.19":
+"postcss@npm:8.4.31":
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
+  dependencies:
+    nanoid: ^3.3.6
+    picocolors: ^1.0.0
+    source-map-js: ^1.0.2
+  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
+  languageName: node
+  linkType: hard
+
+"postcss@npm:^8.0.9, postcss@npm:^8.4.19":
   version: 8.4.21
   resolution: "postcss@npm:8.4.21"
   dependencies:
@@ -8802,7 +8822,7 @@ __metadata:
     pino: ^8.8.0
     pino-http: ^8.3.1
     pino-pretty: 9.1.1
-    postcss: 8.4.21
+    postcss: 8.4.31
     prettier: 2.8.4
     react: 17.0.2
     react-dnd: 15.1.2