Bump markdownlint-cli from 0.30.0 to 0.31.1

Bumps [markdownlint-cli](https://github.com/igorshubovych/markdownlint-cli) from 0.30.0 to 0.31.1.
- [Release notes](https://github.com/igorshubovych/markdownlint-cli/releases)
- [Commits](igorshubovych/markdownlint-cli@v0.30.0...v0.31.1)

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

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

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "instant.page": "^5.1",
     "katex": "^0.15",
     "lazysizes": "^5.3",
-    "markdownlint-cli": "^0.30.0",
+    "markdownlint-cli": "^0.31.1",
     "mermaid": "^8.13",
     "node-fetch": "^3.1",
     "postcss": "^8.4",