chore(deps): update dependency mkdirp to v3

Author: renovate[bot]

package.json

@@ -137,7 +137,7 @@
     "husky": "^4.3.5",
     "lnfs-cli": "^2.1.0",
     "lodash": "^4.17.20",
-    "mkdirp": "^0.5.1",
+    "mkdirp": "^3.0.1",
     "mocha": "^6.1.4",
     "nyc": "^13.3.0",
     "parcel-bundler": "^1.12.4",

yarn.lock

@@ -4741,6 +4741,11 @@ mkdirp@0.5.1, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
   dependencies:
     minimist "0.0.8"
 
+mkdirp@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-3.0.1.tgz#e44e4c5607fb279c168241713cc6e0fea9adcb50"
+  integrity sha512-+NsyUUAZDmo6YVHzL/stxSu3t9YS1iljliy3BSDrXJ/dkn1KYdmtZODGGjLcc9XLgVVpH4KshHB8XmZgMhaBXg==
+
 mocha@^6.1.4:
   version "6.1.4"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.4.tgz#e35fada242d5434a7e163d555c705f6875951640"