[CONFIG] [Github Actions] markdownlint simplified

Author: Gonzalo Diaz

.github/workflows/markdown-lint.yml

@@ -16,20 +16,14 @@ jobs:
     name: Markdown Lint
     runs-on: ubuntu-24.04
 
-    strategy:
-      matrix:
-        node-version: [22.x]
-        # See supported Node.js release schedule
-        # at https://nodejs.org/en/about/releases/
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
-      - name: Set up Node.js ${{ matrix.node-version }}
+      - name: Set up Node.js
         uses: actions/setup-node@v5
         with:
-          node-version: ${{ matrix.node-version }}
+          node-version: 22.x
 
       - name: Install dependencies
         run: npm install -g markdownlint-cli