actions: replace linkcheck with linkspector

.github/workflows/link-check.yml

@@ -10,8 +10,6 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: gaurav-nelson/github-action-markdown-link-check@v1
+      - uses: umbrelladocs/action-linkspector@v1
         with:
-          use-quiet-mode: 'yes'
-          folder-path: 'topics'
-          config-file: 'mlc-config.json'
+          fail_on_error: true

.linkspector.yml

@@ -0,0 +1,12 @@
+dirs:
+  - topics
+ignorePatterns:
+  - pattern: ".*.sh"
+  - pattern: "^images/.*"
+  - pattern: "^http://localhost.*"
+  - pattern: "^https://bitbucket.org/supercomputingsystems.*"
+  - pattern: "^https://stackoverflow.com.*"
+aliveStatusCodes:
+  - 200
+  - 206
+  - 500