security: npm audit fix for GHSA-hfm8-9jrf-7g9w et. al (#1098)

* security: npm audit fix for GHSA-hfm8-9jrf-7g9w et. al

Closes #1097

I'm not sure that this is required, but I'd sleep better at night not
finding out that it is required the hard way.

Signed-off-by: Xe Iaso <me@xeiaso.net>

* chore: bump postcss version

Signed-off-by: Xe Iaso <me@xeiaso.net>

---------

Signed-off-by: Xe Iaso <me@xeiaso.net>

package.json

@@ -24,7 +24,7 @@
     "playwright": "^1.52.0",
     "postcss-cli": "^11.0.1",
     "postcss-import": "^16.1.1",
-    "postcss-import-url": "^7.2.0",
+    "postcss-import-url": "^1.0.0",
     "postcss-url": "^10.1.3"
   },
   "dependencies": {