Bump gulp-sass from 4.1.0 to 4.1.1 (#73)

Author: dependabot[bot]

package-lock.json

@@ -15,7 +15,7 @@
     "gulp-htmlmin": "^5.0.1",
     "gulp-nunjucks": "^5.1.0",
     "gulp-postcss": "^9.0.0",
-    "gulp-sass": "^4.1.0",
+    "gulp-sass": "^4.1.1",
     "gulp-svgmin": "^3.0.0",
     "gulp-uglify": "^3.0.0",
     "plugin-error": "^1.0.1",