chore(ci): update broken links check workflow to use latest actions a…

…nd Node.js version

.github/workflows/brokenlinks-check.yml

@@ -1,26 +1,21 @@
 name: Broken Links Check
 
 on:
-  push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
 
 jobs:
   broken-links-check:
     runs-on: ubuntu-latest
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
-      - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+      - name: Use Node.js
+        uses: actions/setup-node@v4
         with:
-          node-version: ${{ matrix.node-version }}
-          cache: "yarn"
+          node-version: "20.x"
+          cache: "npm"
 
       - name: Install Mintlify
         run: npm i -g mintlify