build(deps-dev): bump the npm group across 1 directory with 4 updates

Bumps the npm group with 4 updates in the / directory: [baseline-browser-mapping](https://github.com/web-platform-dx/baseline-browser-mapping), [cssnano](https://github.com/cssnano/cssnano), [cssnano-preset-advanced](https://github.com/cssnano/cssnano) and [prettier](https://github.com/prettier/prettier).


Updates `baseline-browser-mapping` from 2.10.15 to 2.10.20
- [Release notes](https://github.com/web-platform-dx/baseline-browser-mapping/releases)
- [Commits](https://github.com/web-platform-dx/baseline-browser-mapping/compare/v2.10.15...v2.10.20)

Updates `cssnano` from 7.1.4 to 7.1.5
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/cssnano@7.1.4...cssnano@7.1.5)

Updates `cssnano-preset-advanced` from 7.0.12 to 7.0.13
- [Release notes](https://github.com/cssnano/cssnano/releases)
- [Commits](https://github.com/cssnano/cssnano/compare/cssnano-preset-advanced@7.0.12...cssnano-preset-advanced@7.0.13)

Updates `prettier` from 3.8.1 to 3.8.3
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/3.8.1...3.8.3)

---
updated-dependencies:
- dependency-name: baseline-browser-mapping
  dependency-version: 2.10.20
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: cssnano
  dependency-version: 7.1.5
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: cssnano-preset-advanced
  dependency-version: 7.0.13
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: prettier
  dependency-version: 3.8.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
...

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

package.json

@@ -22,9 +22,9 @@
   "devDependencies": {
     "@commitlint/cli": "^20.5.0",
     "@commitlint/config-conventional": "^20.5.0",
-    "baseline-browser-mapping": "^2.10.15",
-    "cssnano": "^7.1.4",
-    "cssnano-preset-advanced": "^7.0.12",
+    "baseline-browser-mapping": "^2.10.20",
+    "cssnano": "^7.1.5",
+    "cssnano-preset-advanced": "^7.0.13",
     "esbuild": "^0.28.0",
     "husky": "^9.1.7",
     "playwright": "^1.52.0",
@@ -32,7 +32,7 @@
     "postcss-import": "^16.1.1",
     "postcss-import-url": "^7.2.0",
     "postcss-url": "^10.1.3",
-    "prettier": "^3.8.1"
+    "prettier": "^3.8.3"
   },
   "dependencies": {
     "@aws-crypto/sha256-js": "^5.2.0",