Bump linkinator from 2.0.2 to 2.0.3 (#30319)

Bumps [linkinator](https://github.com/JustinBeckwith/linkinator) from 2.0.2 to 2.0.3.
- [Release notes](https://github.com/JustinBeckwith/linkinator/releases)
- [Commits](JustinBeckwith/linkinator@v2.0.2...v2.0.3)

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

package.json

@@ -119,7 +119,7 @@
     "karma-jasmine": "^3.1.1",
     "karma-jasmine-html-reporter": "^1.5.2",
     "karma-rollup-preprocessor": "^7.0.3",
-    "linkinator": "^2.0.2",
+    "linkinator": "^2.0.3",
     "lockfile-lint": "^4.0.0",
     "node-sass": "^4.13.1",
     "nodemon": "^2.0.2",