build: update stylus to version 0.54.8

Author: renovate-bot

package.json

@@ -212,7 +212,7 @@
     "spdx-satisfies": "^5.0.0",
     "speed-measure-webpack-plugin": "1.3.3",
     "style-loader": "2.0.0",
-    "stylus": "0.54.7",
+    "stylus": "0.54.8",
     "stylus-loader": "4.3.3",
     "symbol-observable": "3.0.0",
     "tar": "^6.0.0",

yarn.lock

@@ -7969,7 +7969,7 @@ mkdirp-classic@^0.5.2:
   resolved "https://registry.yarnpkg.com/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz#fa10c9115cc6d8865be221ba47ee9bed78601113"
   integrity sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==
 
-[email protected], mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.5, mkdirp@~0.5.1, mkdirp@~0.5.x:
+[email protected], mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.5, mkdirp@~0.5.1:
   version "0.5.5"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
   integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
@@ -11292,20 +11292,6 @@ [email protected]:
     normalize-path "^3.0.0"
     schema-utils "^3.0.0"
 
-[email protected]:
-  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"
-    glob "^7.1.3"
-    mkdirp "~0.5.x"
-    safer-buffer "^2.1.2"
-    sax "~1.2.4"
-    semver "^6.0.0"
-    source-map "^0.7.3"
-
 [email protected], stylus@^0.54.7:
   version "0.54.8"
   resolved "https://registry.yarnpkg.com/stylus/-/stylus-0.54.8.tgz#3da3e65966bc567a7b044bfe0eece653e099d147"