Revert "Switch markdown-link-checker for linkspector"

This reverts commit f0be7c7.

Author: alexdewar

.github/workflows/check-links.yml

@@ -7,12 +7,10 @@ on:
 jobs:
   check-links:
     name: Linkspector
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Run linkspector
-        uses: umbrelladocs/action-linkspector@v1
+      - uses: gaurav-nelson/github-action-markdown-link-check@v1
         with:
-          github_token: ${{ secrets.github_token }}
-          reporter: github-pr-review
-          fail_on_error: true
+          use-quiet-mode: "yes"
+          use-verbose-mode: "yes"

mlc_config.json

@@ -0,0 +1,21 @@
+{
+    "ignorePatterns": [
+      {
+        "pattern": "^https?://www.turing.ac.uk/.*"
+      },
+      {
+        "pattern": "^https?://sqlitebrowser.org/.*"
+      },
+      {
+        "pattern": "^https?://clockify.me/.*"
+      }
+    ],
+    "timeout": "180s",
+    "retryOn429": true,
+    "retryCount": 5,
+    "fallbackRetryDelay": "30s",
+    "aliveStatusCodes": [
+      200,
+      206
+    ]
+  }