Build(deps-dev): Bump the postcss group with 4 updates

Bumps the postcss group with 4 updates: [autoprefixer](https://github.com/postcss/autoprefixer), [postcss](https://github.com/postcss/postcss), [postcss-import](https://github.com/postcss/postcss-import) and [postcss-mixins](https://github.com/postcss/postcss-mixins).


Updates `autoprefixer` from 10.4.18 to 10.4.19
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.18...10.4.19)

Updates `postcss` from 8.4.35 to 8.4.38
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.35...8.4.38)

Updates `postcss-import` from 15.1.0 to 16.1.0
- [Release notes](https://github.com/postcss/postcss-import/releases)
- [Changelog](https://github.com/postcss/postcss-import/blob/master/CHANGELOG.md)
- [Commits](postcss/postcss-import@15.1.0...16.1.0)

Updates `postcss-mixins` from 9.0.4 to 10.0.1
- [Release notes](https://github.com/postcss/postcss-mixins/releases)
- [Changelog](https://github.com/postcss/postcss-mixins/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss-mixins@9.0.4...10.0.1)

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

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

package.json

@@ -76,7 +76,7 @@
     "@vue/eslint-config-typescript": "12.0.0",
     "@vue/test-utils": "2.4.4",
     "@vue/tsconfig": "0.5.1",
-    "autoprefixer": "10.4.18",
+    "autoprefixer": "10.4.19",
     "color": "4.2.3",
     "cypress": "13.8.1",
     "cypress-image-snapshot": "4.0.1",
@@ -91,10 +91,10 @@
     "jsdom": "24.0.0",
     "lint-staged": "15.2.2",
     "live-server": "1.2.2",
-    "postcss": "8.4.35",
+    "postcss": "8.4.38",
     "postcss-html": "1.5.0",
-    "postcss-import": "15.1.0",
-    "postcss-mixins": "9.0.4",
+    "postcss-import": "16.1.0",
+    "postcss-mixins": "10.0.1",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "storybook": "7.6.17",