Bump npm-check-updates from 17.1.18 to 18.0.0 (#351)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -42,7 +42,7 @@
     "rtlcss": "^4.3.0"
   },
   "optionalDependencies": {
-    "npm-check-updates": "^17.1.4"
+    "npm-check-updates": "^18.0.0"
   },
   "private": true,
   "prettier": {