Bump postcss from 8.4.31 to 8.4.47 (#1428)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.31 to 8.4.47.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.31...8.4.47)

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

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

package.json

@@ -28,7 +28,7 @@
     "classnames": "^2.5.1",
     "focus-visible": "^5.2.0",
     "gulp": "^5.0.0",
-    "postcss": "^8.4.31",
+    "postcss": "^8.4.47",
     "preact": "^10.17.1",
     "rollup": "^4.22.4",
     "sass": "^1.77.4",

yarn.lock

@@ -7862,6 +7862,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"nanoid@npm:^3.3.7":
+  version: 3.3.7
+  resolution: "nanoid@npm:3.3.7"
+  bin:
+    nanoid: bin/nanoid.cjs
+  checksum: d36c427e530713e4ac6567d488b489a36582ef89da1d6d4e3b87eded11eb10d7042a877958c6f104929809b2ab0bafa17652b076cdf84324aa75b30b722204f2
+  languageName: node
+  linkType: hard
+
 "natural-compare@npm:^1.4.0":
   version: 1.4.0
   resolution: "natural-compare@npm:1.4.0"
@@ -8435,6 +8444,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"picocolors@npm:^1.1.0":
+  version: 1.1.0
+  resolution: "picocolors@npm:1.1.0"
+  checksum: a64d653d3a188119ff45781dfcdaeedd7625583f45280aea33fcb032c7a0d3959f2368f9b192ad5e8aade75b74dbd954ffe3106c158509a45e4c18ab379a2acd
+  languageName: node
+  linkType: hard
+
 "picomatch@npm:^2.0.4, picomatch@npm:^2.2.1, picomatch@npm:^2.3.1":
   version: 2.3.1
   resolution: "picomatch@npm:2.3.1"
@@ -8551,14 +8567,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.31":
-  version: 8.4.31
-  resolution: "postcss@npm:8.4.31"
+"postcss@npm:^8.4.47":
+  version: 8.4.47
+  resolution: "postcss@npm:8.4.47"
   dependencies:
-    nanoid: ^3.3.6
-    picocolors: ^1.0.0
-    source-map-js: ^1.0.2
-  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
+    nanoid: ^3.3.7
+    picocolors: ^1.1.0
+    source-map-js: ^1.2.1
+  checksum: f78440a9d8f97431dd2ab1ab8e1de64f12f3eff38a3d8d4a33919b96c381046a314658d2de213a5fa5eb296b656de76a3ec269fdea27f16d5ab465b916a0f52c
   languageName: node
   linkType: hard
 
@@ -9483,6 +9499,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"source-map-js@npm:^1.2.1":
+  version: 1.2.1
+  resolution: "source-map-js@npm:1.2.1"
+  checksum: 4eb0cd997cdf228bc253bcaff9340afeb706176e64868ecd20efbe6efea931465f43955612346d6b7318789e5265bdc419bc7669c1cebe3db0eb255f57efa76b
+  languageName: node
+  linkType: hard
+
 "source-map-support@npm:^0.5.5, source-map-support@npm:~0.5.20":
   version: 0.5.21
   resolution: "source-map-support@npm:0.5.21"
@@ -10400,7 +10423,7 @@ __metadata:
     karma-mocha-reporter: ^2.2.5
     karma-source-map-support: ^1.4.0
     mocha: ^10.5.2
-    postcss: ^8.4.31
+    postcss: ^8.4.47
     preact: ^10.17.1
     prettier: ^3.3.2
     rollup: ^4.22.4