Bump postcss-preset-env from 9.3.0 to 9.4.0 (#2227)

Author: dependabot[bot]

package.json

@@ -48,7 +48,7 @@
     "postcss-cli": "^11.0.0",
     "postcss-flexbugs-fixes": "^5.0.2",
     "postcss-import": "^16.0.1",
-    "postcss-preset-env": "^9.3.0",
+    "postcss-preset-env": "^9.4.0",
     "tailwindcss": "^3.4.1",
     "trix": "^2.0.10",
     "webpack": "^5.76.0",