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] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -8,6 +8,6 @@
     "grunt-wp-i18n": "^1.0.3",
     "grunt-wp-readme-to-markdown": "~2.0.1",
     "js-yaml": ">=3.13.1",
-    "minimist": ">=1.2.3"
+    "minimist": ">=1.2.6"
   }
 }