Bump scss-tokenizer and node-sass

Bumps [scss-tokenizer](https://github.com/sasstools/scss-tokenizer) to 0.4.3 and updates ancestor dependency [node-sass](https://github.com/sass/node-sass). These dependencies need to be updated together.


Updates `scss-tokenizer` from 0.2.3 to 0.4.3
- [Release notes](https://github.com/sasstools/scss-tokenizer/releases)
- [Commits](https://github.com/sasstools/scss-tokenizer/compare/v0.2.3...v0.4.3)

Updates `node-sass` from 7.0.0 to 7.0.3
- [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/v7.0.0...v7.0.3

)

---
updated-dependencies:
- dependency-name: scss-tokenizer
  dependency-type: indirect
- dependency-name: node-sass
  dependency-type: direct:development
...

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

package.json

@@ -20,6 +20,6 @@
   "devDependencies": {
     "acorn": ">=5.7.4",
     "nativejsx": "https://github.com/j3l11234/nativejsx/archive/4.2.0.2.tar.gz",
-    "node-sass": "^7.0.0"
+    "node-sass": "^7.0.3"
   }
 }