Update dependency sass to v1.64.1 (mastodon#26146)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

yarn.lock

@@ -10238,9 +10238,9 @@ sass-loader@^10.2.0:
     semver "^7.3.2"
 
 sass@^1.62.1:
-  version "1.63.6"
-  resolved "https://registry.yarnpkg.com/sass/-/sass-1.63.6.tgz#481610e612902e0c31c46b46cf2dad66943283ea"
-  integrity sha512-MJuxGMHzaOW7ipp+1KdELtqKbfAWbH7OLIdoSMnVe3EXPMTmxTmlaZDCTsgIpPCs3w99lLo9/zDKkOrJuT5byw==
+  version "1.64.1"
+  resolved "https://registry.yarnpkg.com/sass/-/sass-1.64.1.tgz#6a46f6d68e0fa5ad90aa59ce025673ddaa8441cf"
+  integrity sha512-16rRACSOFEE8VN7SCgBu1MpYCyN7urj9At898tyzdXFhC+a+yOX5dXwAR7L8/IdPJ1NB8OYoXmD55DM30B2kEQ==
   dependencies:
     chokidar ">=3.0.0 <4.0.0"
     immutable "^4.0.0"