chore(deps-dev): bump markdown-doctest from 0.9.1 to 1.0.0

Bumps [markdown-doctest](https://github.com/Widdershin/markdown-doctest) from 0.9.1 to 1.0.0.
- [Release notes](https://github.com/Widdershin/markdown-doctest/releases)
- [Commits](https://github.com/Widdershin/markdown-doctest/commits)

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

package.json

@@ -30,7 +30,7 @@
     "chai": "^4.1.2",
     "cz-conventional-changelog": "^2.0.0",
     "jsdoc-to-markdown": "^3.0.0",
-    "markdown-doctest": "^0.9.1",
+    "markdown-doctest": "^1.0.0",
     "mocha": "^4.0.0",
     "mocha-lcov-reporter": "^1.2.0",
     "nyc": "^11.2.1",