Bump minimist from 1.2.5 to 1.2.6

Bumps [minimist](https://github.com/substack/minimist) from 1.2.5 to 1.2.6.
- [Release notes](https://github.com/substack/minimist/releases)
- [Commits](https://github.com/substack/minimist/compare/1.2.5...1.2.6)

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

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

Author: dependabot[bot]

package-lock.json

@@ -29,7 +29,7 @@
     "js-yaml": "^3.14.1",
     "jshint-stylish": "^2.2.1",
     "load-grunt-tasks": "^3.5.2",
-    "minimist": ">=1.2.2",
+    "minimist": ">=1.2.6",
     "set-value": "^4.0.1"
   }
 }