chore(ci): Migrate to linkspector

Author: effigies

.github/workflows/validation.yml

@@ -75,10 +75,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
         -   uses: actions/checkout@v4
-        -   uses: gaurav-nelson/github-action-markdown-link-check@v1
+        -   name: Run linkspector
+            uses: umbrelladocs/action-linkspector@v1
             with:
-                use-quiet-mode: yes
-                # use-verbose-mode: no
-                config-file: md_link_check_config.json
-                folder-path: docs
-                file-path: ./README.md
+                fail_on_error: true