Update dependency npm-check-updates to v7.0.4

Author: renovate-bot

package.json

@@ -121,7 +121,7 @@
     "lint-staged": "10.2.11",
     "mini-css-extract-plugin": "0.9.0",
     "node-sass": "4.14.1",
-    "npm-check-updates": "7.0.3",
+    "npm-check-updates": "7.0.4",
     "prettier": "2.0.5",
     "pretty-quick": "2.0.1",
     "sass-loader": "8.0.2",