fix vulnerable build dependencies

package.json

@@ -4,6 +4,9 @@
   "description": "KoalaSync Build Scripts",
   "private": true,
   "type": "module",
+  "engines": {
+    "node": ">=20.9.0"
+  },
   "scripts": {
     "build:extension": "node scripts/build-extension.cjs",
     "indexnow": "node website/submit-indexnow.cjs",
@@ -18,14 +21,19 @@
     "@playwright/test": "^1.61.1",
     "@vitest/coverage-v8": "^4.1.9",
     "addons-linter": "^10.9.0",
-    "archiver": "^7.0.1",
+    "archiver": "^8.0.0",
     "esbuild": "^0.28.1",
     "eslint": "^10.4.0",
     "eslint-plugin-no-unsanitized": "^4.1.5",
     "fs-extra": "^11.2.0",
     "htmlnano": "^3.4.0",
-    "sharp": "^0.34.5",
-    "svgo": "^4.0.1",
+    "sharp": "^0.35.3",
+    "svgo": "^4.0.2",
     "vitest": "^4.1.9"
+  },
+  "overrides": {
+    "brace-expansion": "5.0.8",
+    "fast-uri": "3.1.4",
+    "postcss": "8.5.18"
   }
 }