Upgrade: Bump markdownlint-cli from 0.25.0 to 0.26.0 (#187)

Bumps [markdownlint-cli](https://github.com/igorshubovych/markdownlint-cli) from 0.25.0 to 0.26.0.
- [Release notes](https://github.com/igorshubovych/markdownlint-cli/releases)
- [Commits](igorshubovych/markdownlint-cli@v0.25.0...v0.26.0)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

package.json

@@ -58,7 +58,7 @@
     "dockerlint": "^0.3.9",
     "eslint": "^7.7.0",
     "jsonlint": "^1.6.3",
-    "markdownlint-cli": "^0.25.0",
+    "markdownlint-cli": "^0.26.0",
     "mocha": "^8.1.1",
     "nock": "^13.0.4",
     "npm-check-updates": "^10.0.0",