build(deps-dev): bump the postcss group with 1 update

Bumps the postcss group with 1 update: [postcss](https://github.com/postcss/postcss).

- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.29...8.4.30)

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

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

package.json

@@ -16,7 +16,7 @@
     "css-loader": "^6.8.1",
     "esbuild-loader": "^4.0.2",
     "mini-css-extract-plugin": "^2.7.6",
-    "postcss": "^8.4.29",
+    "postcss": "^8.4.30",
     "postcss-loader": "^7.3.3",
     "postcss-scss": "^4.0.8",
     "prettier": "^3.0.3",

yarn.lock

@@ -3118,14 +3118,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.29":
-  version: 8.4.29
-  resolution: "postcss@npm:8.4.29"
+"postcss@npm:^8.4.30":
+  version: 8.4.30
+  resolution: "postcss@npm:8.4.30"
   dependencies:
     nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: dd6daa25e781db9ae5b651d9b7bfde0ec6e60e86a37da69a18eb4773d5ddd51e28fc4ff054fbdc04636a31462e6bf09a1e50986f69ac52b10d46b7457cd36d12
+  checksum: 6c810c10c9bd3e03ca016e0b6b6756261e640aba1a9a7b1200b55502bc34b9165e38f590aef3493afc2f30ab55cdfcd43fd0f8408d69a77318ddbcf2a8ad164b
   languageName: node
   linkType: hard
 
@@ -4007,7 +4007,7 @@ __metadata:
     css-loader: ^6.8.1
     esbuild-loader: ^4.0.2
     mini-css-extract-plugin: ^2.7.6
-    postcss: ^8.4.29
+    postcss: ^8.4.30
     postcss-loader: ^7.3.3
     postcss-scss: ^4.0.8
     prettier: ^3.0.3