Bump sass from 1.37.0 to 1.38.0

Bumps [sass](https://github.com/sass/dart-sass) from 1.37.0 to 1.38.0.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.37.0...1.38.0)

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

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

Author: dependabot[bot]

package-lock.json

@@ -36,7 +36,7 @@
     "gulp-rename": "^2.0.0",
     "gulp-sass": "4.1.1",
     "npm-watch": "^0.11.0",
-    "sass": "^1.37.0",
+    "sass": "^1.38.0",
     "watch": "^1.0.2"
   },
   "author": "Holger Koenemann",