chore(deps): update dependency postcss-import to v16.2.0

Author: renovate[bot]

src/theme/static_src/package-lock.json

@@ -20,7 +20,7 @@
     "@tailwindcss/typography": "0.5.20",
     "cross-env": "7.0.3",
     "postcss": "8.5.26",
-    "postcss-import": "16.1.1",
+    "postcss-import": "16.2.0",
     "postcss-nested": "7.0.2",
     "postcss-simple-vars": "7.0.1",
     "rimraf": "6.0.1",