Update css (#29050)

* Update css

* Fix css references to resources

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

package.json

@@ -258,15 +258,15 @@
         "knip": "^5.36.2",
         "lint-staged": "^16.0.0",
         "matrix-web-i18n": "3.6.0",
-        "mini-css-extract-plugin": "2.9.2",
+        "mini-css-extract-plugin": "2.10.0",
         "minimist": "^1.2.6",
         "modernizr": "^3.12.0",
         "patch-package": "^8.0.0",
-        "postcss": "8.4.46",
+        "postcss": "8.5.6",
         "postcss-easings": "^4.0.0",
         "postcss-hexrgba": "2.1.0",
-        "postcss-import": "16.1.0",
-        "postcss-loader": "8.1.1",
+        "postcss-import": "16.1.1",
+        "postcss-loader": "8.2.0",
         "postcss-mixins": "^12.0.0",
         "postcss-nested": "^7.0.0",
         "postcss-preset-env": "^11.0.0",