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

@@ -633,7 +633,7 @@
     "gulp-sourcemaps": "^2.4.1",
     "gulp-tslint": "^8.1.4",
     "gulp-typescript": "^5.0.1",
-    "minimist": "^1.2.0",
+    "minimist": "^1.2.6",
     "mocha": "^6.2.3",
     "node-gyp": "^6.1.0",
     "plugin-error": "^1.0.1",