[CONFIG] [Github Actions] markdownlint standardization.

Author: Gonzalo Diaz

.github/workflows/markdown-lint.yml

@@ -9,14 +9,16 @@ on: # yamllint disable-line rule:truthy
     branches: ["main"]
   workflow_dispatch:
 
+permissions: read-all
+
 jobs:
   markdownlint:
     name: Markdown Lint
     runs-on: ubuntu-24.04
 
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
         # See supported Node.js release schedule
         # at https://nodejs.org/en/about/releases/
 
@@ -32,9 +34,6 @@ jobs:
       - name: Install dependencies
         run: npm install -g markdownlint-cli
 
-      - name: Version
-        run: markdownlint --version
-
       - name: Lint
         run: >
           markdownlint '**/*.md' --ignore node_modules