Update postcss (forgejo) (#13638)

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/13638
Reviewed-by: Gusted <gusted@noreply.codeberg.org>

Author: viceice-bot

package-lock.json

@@ -59,9 +59,9 @@
     "mini-css-extract-plugin": "2.10.0",
     "minimatch": "10.2.5",
     "pdfobject": "2.3.0",
-    "postcss": "8.5.22",
+    "postcss": "8.5.23",
     "postcss-loader": "8.2.1",
-    "postcss-nesting": "14.0.0",
+    "postcss-nesting": "14.0.1",
     "pretty-ms": "9.0.0",
     "sortablejs": "1.15.7",
     "swagger-ui-dist": "5.32.11",