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](https://github.com/sass/node-sass/compare/v6.0.1...v7.0.1)

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

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

package.json

@@ -138,7 +138,7 @@
     "karma-jasmine-sinon": "^1.0.4",
     "karma-spec-reporter": "^0.0.33",
     "karma-viewport": "^1.0.8",
-    "node-sass": "~6.0.1",
+    "node-sass": "~7.0.1",
     "puppeteer": "^13.1.0",
     "sinon": "<= 5.0.7"
   },