Update dependency read-pkg-up to v5

Author: renovate-bot

package.json

@@ -40,7 +40,7 @@
     "parse-gitignore": "^1.0.1",
     "prettier": "^1.16.4",
     "prettier-eslint": "^8.8.2",
-    "read-pkg-up": "^4.0.0",
+    "read-pkg-up": "^5.0.0",
     "resolve": "^1.8.1",
     "stylus": "^0.54.5",
     "stylus-supremacy": "^2.12.6",

yarn.lock

@@ -3451,6 +3451,14 @@ read-pkg-up@^4.0.0:
     find-up "^3.0.0"
     read-pkg "^3.0.0"
 
+read-pkg-up@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-5.0.0.tgz#b6a6741cb144ed3610554f40162aa07a6db621b8"
+  integrity sha512-XBQjqOBtTzyol2CpsQOw8LHV0XbDZVG7xMMjmXAJomlVY03WOBRmYgDJETlvcg0H63AJvPRwT7GFi5rvOzUOKg==
+  dependencies:
+    find-up "^3.0.0"
+    read-pkg "^5.0.0"
+
 read-pkg@^1.0.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
@@ -3468,6 +3476,14 @@ read-pkg@^3.0.0:
     normalize-package-data "^2.3.2"
     path-type "^3.0.0"
 
+read-pkg@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-5.0.0.tgz#75449907ece8dfb89cbc76adcba2665316e32b94"
+  integrity sha512-OWufaRc67oJjcgrxckW/qO9q22iYzyiONh8h+GMcnOvSHAmhV1Dr3x+gyRjP+Qxc5jKupkSfoCQLS/98rDPh9A==
+  dependencies:
+    normalize-package-data "^2.3.2"
+    parse-json "^4.0.0"
+
 readable-stream@^2.0.2, readable-stream@^2.0.6, readable-stream@^2.2.2:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"