Update dependency leven to v4

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
     "is-ci": "^1.0.10",
     "is-webpack-bundle": "^1.0.0",
     "js-yaml": "^3.13.1",
-    "leven": "^2.0.0",
+    "leven": "^4.0.0",
     "loud-rejection": "^1.2.0",
     "micromatch": "^2.3.11",
     "mkdirp": "^0.5.1",

yarn.lock

@@ -4915,11 +4915,16 @@ left-pad@^1.3.0:
   resolved "https://registry.yarnpkg.com/left-pad/-/left-pad-1.3.0.tgz#5b8a3a7765dfe001261dde915589e782f8c94d1e"
   integrity sha512-XI5MPzVNApjAyhQzphX8BkmKsKUxD4LdyK24iZeQGinBN9yTQT3bFlCBy/aVx2HrNcqQGsdot8ghrjyrvMCoEA==
 
-leven@^2.0.0, leven@^2.1.0:
+leven@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/leven/-/leven-2.1.0.tgz#c2e7a9f772094dee9d34202ae8acce4687875580"
   integrity sha1-wuep93IJTe6dNCAq6KzORoeHVYA=
 
+leven@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/leven/-/leven-4.0.0.tgz#b9c39c803f835950fabef9e122a9b47b95708710"
+  integrity sha512-puehA3YKku3osqPlNuzGDUHq8WpwXupUg1V6NXdV38G+gr+gkBwFC8g1b/+YcIvp8gnqVIus+eJCH/eGsRmJNw==
+
 levn@^0.3.0, levn@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/levn/-/levn-0.3.0.tgz#3b09924edf9f083c0490fdd4c0bc4421e04764ee"