Bump scss-tokenizer and node-sass in /themes/minimo (#19)

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
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

themes/minimo/package.json

@@ -26,7 +26,7 @@
     "cssnano": "^5.1.14",
     "eslint": "^5.16.0",
     "mini-css-extract-plugin": "^0.7.0",
-    "node-sass": "^7.0.0",
+    "node-sass": "^7.0.3",
     "postcss-loader": "^3.0.0",
     "sass-loader": "^7.1.0",
     "webpack": "^4.32.2",