Update sass requirement from ^1.70.0 to ^1.71.1

Updates the requirements on [sass](https://github.com/sass/dart-sass) to permit the latest version.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.70.0...1.71.1)

---
updated-dependencies:
- dependency-name: sass
  dependency-type: direct:development
...

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

package.json

@@ -17,7 +17,7 @@
 	],
 	"dependencies": {},
 	"devDependencies": {
-		"sass": "^1.70.0",
+		"sass": "^1.71.1",
 		"google-closure-compiler": "^20231112.0.0"
 	},
 	"description": "A front-end improvement to Bootstrap forms with a Material design.",