Bump minimist from 1.2.0 to 1.2.6

Bumps [minimist](https://github.com/substack/minimist) from 1.2.0 to 1.2.6.
- [Release notes](https://github.com/substack/minimist/releases)
- [Commits](https://github.com/substack/minimist/compare/1.2.0...1.2.6)

---
updated-dependencies:
- dependency-name: minimist
  dependency-type: direct:development
...

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

package.json

@@ -161,7 +161,7 @@
     "jstify": "0.13.0",
     "load-grunt-tasks": "3.2.0",
     "mini-css-extract-plugin": "^0.4.0",
-    "minimist": "1.2.0",
+    "minimist": "1.2.6",
     "open": "0.0.5",
     "optimize-css-assets-webpack-plugin": "^5.0.4",
     "prettysize": "0.0.3",