Build(deps-dev): bump postcss from 8.5.3 to 8.5.4

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.3 to 8.5.4.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.3...8.5.4)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -33,7 +33,7 @@
   "devDependencies": {
     "jasmine-browser-runner": "^3.0.0",
     "jasmine-core": "^5.7.1",
-    "postcss": "^8.5.3",
+    "postcss": "^8.5.4",
     "standardx": "^7.0.0",
     "stylelint": "^16.19.1",
     "stylelint-config-gds": "^2.0.0"

yarn.lock

@@ -2518,6 +2518,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"nanoid@npm:^3.3.11":
+  version: 3.3.11
+  resolution: "nanoid@npm:3.3.11"
+  bin:
+    nanoid: bin/nanoid.cjs
+  checksum: 40e7f70b3d15f725ca072dfc4f74e81fcf1fbb02e491cf58ac0c79093adc9b0a73b152bcde57df4b79cd097e13023d7504acb38404a4da7bc1cd8e887b82fe0b
+  languageName: node
+  linkType: hard
+
 "nanoid@npm:^3.3.8":
   version: 3.3.8
   resolution: "nanoid@npm:3.3.8"
@@ -2971,6 +2980,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"postcss@npm:^8.5.4":
+  version: 8.5.4
+  resolution: "postcss@npm:8.5.4"
+  dependencies:
+    nanoid: "npm:^3.3.11"
+    picocolors: "npm:^1.1.1"
+    source-map-js: "npm:^1.2.1"
+  checksum: 0feff648614a834f7cd5396ea6b05b658ca0507e10a4eaad03b56c348f6aec93f42a885fc1b30522630c6a7e49ae53b38a061e3cba526f2d9857afbe095a22bb
+  languageName: node
+  linkType: hard
+
 "prelude-ls@npm:^1.2.1":
   version: 1.2.1
   resolution: "prelude-ls@npm:1.2.1"
@@ -3897,7 +3917,7 @@ __metadata:
     jasmine-browser-runner: "npm:^3.0.0"
     jasmine-core: "npm:^5.7.1"
     paste-html-to-govspeak: "npm:^0.5.0"
-    postcss: "npm:^8.5.3"
+    postcss: "npm:^8.5.4"
     standardx: "npm:^7.0.0"
     stylelint: "npm:^16.19.1"
     stylelint-config-gds: "npm:^2.0.0"