build(deps-dev): bump sass from 1.27.0 to 1.28.0 (vuejs#2528)

Author: dependabot-preview[bot]

yarn.lock

@@ -6479,9 +6479,9 @@ sane@^4.0.3:
     walker "~1.0.5"
 
 sass@^1.26.9:
-  version "1.27.0"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.27.0.tgz#0657ff674206b95ec20dc638a93e179c78f6ada2"
-  integrity sha512-0gcrER56OkzotK/GGwgg4fPrKuiFlPNitO7eUJ18Bs+/NBlofJfMxmxqpqJxjae9vu0Wq8TZzrSyxZal00WDig==
+  version "1.28.0"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.28.0.tgz#546f1308ff74cc4ec2ad735fd35dc18bc3f51f72"
+  integrity sha512-9FWX/0wuE1KxwfiP02chZhHaPzu6adpx9+wGch7WMOuHy5npOo0UapRI3FNSHva2CczaYJu2yNUBN8cCSqHz/A==
   dependencies:
     chokidar ">=2.0.0 <4.0.0"