chore(deps): update dependency postcss to v8.4.49

Author: renovate[bot]

package.json

@@ -77,7 +77,7 @@
     "jest": "29.7.0",
     "jest-environment-jsdom": "29.7.0",
     "lint-staged": "15.2.10",
-    "postcss": "8.4.47",
+    "postcss": "8.4.49",
     "stylelint": "15.10.1",
     "stylelint-config-standard-scss": "9.0.0",
     "stylelint-declaration-strict-value": "1.10.6",