update github actions to v24

Author: fildon

.github/workflows/deploy.yml

@@ -4,7 +4,7 @@ on:
     branches: [main]
 
 env:
-  NODE_VERSION: "20.x"
+  NODE_VERSION: "24.x"
 
 jobs:
   build:

.github/workflows/link-check.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: "20.x"
+          node-version: "24.x"
 
       - name: Install dependencies
         run: npm ci