Bump mkdirp from 1.0.4 to 2.1.5 (#162)

Bumps [mkdirp](https://github.com/isaacs/node-mkdirp) from 1.0.4 to 2.1.5.
- [Release notes](https://github.com/isaacs/node-mkdirp/releases)
- [Changelog](https://github.com/isaacs/node-mkdirp/blob/main/CHANGELOG.md)
- [Commits](isaacs/node-mkdirp@v1.0.4...v2.1.5)

---
updated-dependencies:
- dependency-name: mkdirp
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -36,7 +36,7 @@
  "chai": "^4.2.0",
  "jsdoc": "^3.6.4",
  "minami": "^1.1.0",
- "mkdirp": "^1.0.4",
+ "mkdirp": "^2.1.5",
  "mocha": "^9.0.2",
  "rimraf": "^3.0.2"
  },