Bump mkdirp from 1.0.3 to 1.0.4

Bumps [mkdirp](https://github.com/isaacs/node-mkdirp) from 1.0.3 to 1.0.4.
- [Release notes](https://github.com/isaacs/node-mkdirp/releases)
- [Changelog](https://github.com/isaacs/node-mkdirp/blob/master/CHANGELOG.md)
- [Commits](isaacs/node-mkdirp@v1.0.3...v1.0.4)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package.json

@@ -66,7 +66,7 @@
         "commander": "5.0.0",
         "handlebars": "4.7.6",
         "js-yaml": "3.13.1",
-        "mkdirp": "1.0.3",
+        "mkdirp": "1.0.4",
         "path": "0.12.7",
         "rimraf": "3.0.2"
     },

yarn.lock

@@ -3441,10 +3441,10 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-[email protected].3:
-  version "1.0.3"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.3.tgz#4cf2e30ad45959dddea53ad97d518b6c8205e1ea"
-  integrity sha512-6uCP4Qc0sWsgMLy1EOqqS/3rjDHOEnsStVr/4vtAIK2Y5i2kA7lFFejYrpIyiN9w0pYf4ckeCYT9f1r1P9KX5g==
+[email protected].4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
 
 mkdirp@^0.5.1:
   version "0.5.1"