build(deps-dev): bump the dev-dependencies group with 3 updates

Bumps the dev-dependencies group with 3 updates: [@eslint/js](https://github.com/eslint/eslint/tree/HEAD/packages/js), [eslint](https://github.com/eslint/eslint) and [postcss-preset-env](https://github.com/csstools/postcss-plugins/tree/HEAD/plugin-packs/postcss-preset-env).


Updates `@eslint/js` from 9.33.0 to 9.34.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/commits/v9.34.0/packages/js)

Updates `eslint` from 9.33.0 to 9.34.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v9.33.0...v9.34.0)

Updates `postcss-preset-env` from 10.2.4 to 10.3.0
- [Changelog](https://github.com/csstools/postcss-plugins/blob/main/plugin-packs/postcss-preset-env/CHANGELOG.md)
- [Commits](https://github.com/csstools/postcss-plugins/commits/HEAD/plugin-packs/postcss-preset-env)

---
updated-dependencies:
- dependency-name: "@eslint/js"
  dependency-version: 9.34.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: eslint
  dependency-version: 9.34.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
- dependency-name: postcss-preset-env
  dependency-version: 10.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

package.json

@@ -27,13 +27,13 @@
     "@babel/core": "7.28.3",
     "@babel/preset-env": "7.28.3",
     "@codecov/webpack-plugin": "1.9.1",
-    "@eslint/js": "9.33.0",
+    "@eslint/js": "9.34.0",
     "@jest/globals": "30.0.5",
     "babel-loader": "10.0.0",
     "clean-jsdoc-theme": "4.3.0",
     "cross-env": "10.0.0",
     "css-loader": "7.1.2",
-    "eslint": "9.33.0",
+    "eslint": "9.34.0",
     "eslint-plugin-jest": "29.0.1",
     "globals": "16.3.0",
     "jest": "30.0.5",
@@ -45,7 +45,7 @@
     "npm-run-all": "4.1.5",
     "postcss": "8.5.6",
     "postcss-loader": "8.1.1",
-    "postcss-preset-env": "10.2.4",
+    "postcss-preset-env": "10.3.0",
     "sass": "1.90.0",
     "sass-loader": "16.0.5",
     "webpack": "5.101.3",