chore(deps-dev): bump markdownlint-cli2 from 0.19.1 to 0.20.0

Bumps [markdownlint-cli2](https://github.com/DavidAnson/markdownlint-cli2) from 0.19.1 to 0.20.0.
- [Changelog](https://github.com/DavidAnson/markdownlint-cli2/blob/main/CHANGELOG.md)
- [Commits](DavidAnson/markdownlint-cli2@v0.19.1...v0.20.0)

---
updated-dependencies:
- dependency-name: markdownlint-cli2
  dependency-version: 0.20.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -9,7 +9,7 @@
   },
   "license": "MIT",
   "devDependencies": {
-    "markdownlint-cli2": "^0.19.1",
+    "markdownlint-cli2": "^0.20.0",
     "prettier": "^3.7.3"
   }
 }