Bump node-sass from 6.0.1 to 7.0.1

Bumps [node-sass](https://github.com/sass/node-sass) from 6.0.1 to 7.0.1.
- [Release notes](https://github.com/sass/node-sass/releases)
- [Changelog](https://github.com/sass/node-sass/blob/master/CHANGELOG.md)
- [Commits](sass/node-sass@v6.0.1...v7.0.1)

---
updated-dependencies:
- dependency-name: node-sass
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -30,7 +30,7 @@
     "less": "^4.1.2",
     "less-loader": "^10.2.0",
     "mini-css-extract-plugin": "^2.5.2",
-    "node-sass": "^6.0.1",
+    "node-sass": "^7.0.1",
     "nonblockjs": "^1.0.8",
     "perfect-scrollbar": "^1.5.5",
     "pnotify": "^5.2.0",