Update dependency postcss-preset-env to v9.5.16 (#9014)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -133,7 +133,7 @@
     "miragejs": "0.1.48",
     "normalize.css": "8.0.1",
     "nyc": "17.0.0",
-    "postcss-preset-env": "9.5.15",
+    "postcss-preset-env": "9.5.16",
     "prettier": "3.3.2",
     "qunit": "2.21.0",
     "qunit-console-grouper": "0.3.0",