Bump linkinator in the npm-dependencies group across 1 directory

Bumps the npm-dependencies group with 1 update in the / directory: [linkinator](https://github.com/JustinBeckwith/linkinator).


Updates `linkinator` from 6.1.2 to 6.1.4
- [Release notes](https://github.com/JustinBeckwith/linkinator/releases)
- [Commits](JustinBeckwith/linkinator@v6.1.2...v6.1.4)

---
updated-dependencies:
- dependency-name: linkinator
  dependency-version: 6.1.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm-dependencies
...

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

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
     "start": "npm run serve"
   },
   "devDependencies": {
-    "linkinator": "^6.1.2",
+    "linkinator": "^6.1.4",
     "markdownlint-cli2": "0.18.1"
   }
 }