Bump minimist and mkdirp in /assets/plugins/stickyfill

Bumps [minimist](https://github.com/minimistjs/minimist) and [mkdirp](https://github.com/isaacs/node-mkdirp). These dependencies needed to be updated together.

Updates `minimist` from 1.2.0 to 1.2.8
- [Release notes](https://github.com/minimistjs/minimist/releases)
- [Changelog](https://github.com/minimistjs/minimist/blob/main/CHANGELOG.md)
- [Commits](minimistjs/minimist@v1.2.0...v1.2.8)

Updates `mkdirp` from 0.5.1 to 0.5.6
- [Release notes](https://github.com/isaacs/node-mkdirp/releases)
- [Changelog](https://github.com/isaacs/node-mkdirp/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-mkdirp@0.5.1...v0.5.6)

---
updated-dependencies:
- dependency-name: minimist
  dependency-type: indirect
- dependency-name: mkdirp
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

assets/plugins/stickyfill/package-lock.json

@@ -1057,19 +1057,15 @@ mime-types@~2.1.13:
   dependencies:
     brace-expansion "^1.0.0"
 
-minimist@0.0.8:
-  version "0.0.8"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
-
-minimist@^1.1.3:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+minimist@^1.1.3, minimist@^1.2.6:
+  version "1.2.8"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.8.tgz#c1a464e7693302e082a075cee0c057741ac4772c"
 
 mkdirp@^0.5.1:
-  version "0.5.1"
-  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.6.tgz#7def03d2432dcae4ba1d611445c48396062255f6"
   dependencies:
-    minimist "0.0.8"
+    minimist "^1.2.6"
 
 ms@0.7.1:
   version "0.7.1"