Bump node-sass from 6.0.1 to 7.0.0

Bumps [node-sass](https://github.com/sass/node-sass) from 6.0.1 to 7.0.0.
- [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...v7.0.0)

---
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

@@ -37,7 +37,7 @@
     "lodash.template": "^4.5.0",
     "micromatch": "^4.0.4",
     "mixin-deep": "^2.0.1",
-    "node-sass": "^6.0.1",
+    "node-sass": "^7.0.0",
     "regenerator-runtime": "^0.13.9",
     "sass": "^1.44.0",
     "set-value": "^4.1.0"