Bump sass from 1.63.6 to 1.64.2

Bumps [sass](https://github.com/sass/dart-sass) from 1.63.6 to 1.64.2.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.63.6...1.64.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -21,6 +21,6 @@
     "eslint-plugin-promise": "^6.1.1",
     "eslint-plugin-standard": "^5.0.0",
     "markdown-it-anchor": "^8.6.7",
-    "sass": "^1.63.6"
+    "sass": "^1.64.2"
   }
 }