Bump autoprefixer from 10.4.14 to 10.4.15 in /ui (#313)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.14 to 10.4.15.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.14...10.4.15)

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

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

ui/package.json

@@ -34,7 +34,7 @@
     "@vitest/coverage-v8": "0.34.1",
     "@vue/eslint-config-prettier": "8.0.0",
     "@vue/test-utils": "2.4.1",
-    "autoprefixer": "10.4.14",
+    "autoprefixer": "10.4.15",
     "cypress": "12.17.3",
     "eslint": "8.46.0",
     "eslint-plugin-cypress": "2.14.0",