build: update stylus to version 0.54.7

Author: renovate-bot

packages/angular_devkit/build_angular/package.json

@@ -49,7 +49,7 @@
     "source-map-loader": "0.2.4",
     "speed-measure-webpack-plugin": "1.3.1",
     "style-loader": "1.0.0",
-    "stylus": "0.54.6",
+    "stylus": "0.54.7",
     "stylus-loader": "3.0.2",
     "tree-kill": "1.2.1",
     "terser": "4.2.0",

yarn.lock

@@ -11049,10 +11049,10 @@ [email protected]:
     lodash.clonedeep "^4.5.0"
     when "~3.6.x"
 
-[email protected].6:
-  version "0.54.6"
-  resolved "https://registry.yarnpkg.com/stylus/-/stylus-0.54.6.tgz#e8d0c540efd748075c763763f955946ab36f0f66"
-  integrity sha512-6s7jEoHKSdAaEtfOnGCNJWy7rcgxPf/pdSUUCusnfV6qO28OmmOLAUYeIJIgJlXWfWTwDO9ytRdd8KhxIdB4EQ==
+[email protected].7:
+  version "0.54.7"
+  resolved "https://registry.yarnpkg.com/stylus/-/stylus-0.54.7.tgz#c6ce4793965ee538bcebe50f31537bfc04d88cd2"
+  integrity sha512-Yw3WMTzVwevT6ZTrLCYNHAFmanMxdylelL3hkWNgPMeTCpMwpV3nXjpOHuBXtFv7aiO2xRuQS6OoAdgkNcSNug==
   dependencies:
     css-parse "~2.0.0"
     debug "~3.1.0"