Bump markdown-link-extractor and markdown-link-check

Bumps [markdown-link-extractor](https://github.com/tcort/markdown-link-extractor) to 3.1.0 and updates ancestor dependency [markdown-link-check](https://github.com/tcort/markdown-link-check). These dependencies need to be updated together.


Updates `markdown-link-extractor` from 1.3.1 to 3.1.0
- [Release notes](https://github.com/tcort/markdown-link-extractor/releases)
- [Changelog](https://github.com/tcort/markdown-link-extractor/blob/v3.1.0/CHANGELOG.md)
- [Commits](https://github.com/tcort/markdown-link-extractor/compare/v1.3.1...v3.1.0)

Updates `markdown-link-check` from 3.8.7 to 3.10.3
- [Release notes](https://github.com/tcort/markdown-link-check/releases)
- [Changelog](https://github.com/tcort/markdown-link-check/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tcort/markdown-link-check/compare/v3.8.7...v3.10.3)

---
updated-dependencies:
- dependency-name: markdown-link-extractor
  dependency-type: indirect
- dependency-name: markdown-link-check
  dependency-type: direct:production
...

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

package.json

@@ -5,7 +5,7 @@
   "main": "README.md",
   "dependencies": {
     "alex": "^8.2.0",
-    "markdown-link-check": "~3.8.7",
+    "markdown-link-check": "~3.10.3",
     "markdownlint": "^0.26.2",
     "markdownlint-cli": "^0.32.2",
     "npm-run-all": "^4.1.5"