build(deps-dev): bump linkinator from 6.1.4 to 7.4.1 in /docs/v3

Bumps [linkinator](https://github.com/JustinBeckwith/linkinator) from 6.1.4 to 7.4.1.
- [Release notes](https://github.com/JustinBeckwith/linkinator/releases)
- [Changelog](https://github.com/JustinBeckwith/linkinator/blob/main/CHANGELOG.md)
- [Commits](JustinBeckwith/linkinator@v6.1.4...linkinator-v7.4.1)

---
updated-dependencies:
- dependency-name: linkinator
  dependency-version: 7.4.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

docs/v3/package-lock.json

@@ -25,6 +25,6 @@
     "glob": "^11.1.0",
     "gulp": "^5.0.1",
     "gulp-cli": "^3.1.0",
-    "linkinator": "^6.1.4"
+    "linkinator": "^7.5.0"
   }
 }