Bump postcss-preset-env from 8.0.1 to 9.1.1 (#383)

Bumps [postcss-preset-env](https://github.com/csstools/postcss-plugins/tree/HEAD/plugin-packs/postcss-preset-env) from 8.0.1 to 9.1.1.
- [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: postcss-preset-env
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

apps/www/package.json

@@ -60,7 +60,7 @@
     "autoprefixer": "^10.4.14",
     "esbuild": "^0.18.17",
     "postcss-flexbugs-fixes": "^5.0.2",
-    "postcss-preset-env": "^8.2.0",
+    "postcss-preset-env": "^9.1.1",
     "rollup-plugin-replace": "^2.2.0",
     "tailwindcss": "^3.3.1"
   },

package.json

@@ -57,7 +57,7 @@
     "postcss": "~8.4",
     "postcss-import": "~15.1",
     "postcss-nested": "~6.0",
-    "postcss-preset-env": "^8.0.1",
+    "postcss-preset-env": "^9.1.1",
     "prettier": "~2.8",
     "prettier-plugin-tailwindcss": "~0.2",
     "pretty-quick": "^3.1.3",