docs: refactor CI setup example of GitHub Actions (conventional-changelog#4439)

* docs: refactor CI setup example of GitHub Actions

* docs: remove redundant double quotation

Co-authored-by: JounQin <admin@1stg.me>

---------

Co-authored-by: JounQin <admin@1stg.me>

Author: Marukome0743

docs/guides/ci-setup.md

@@ -15,30 +15,29 @@ name: CI
 
 on: [push, pull_request]
 
+permissions:
+  contents: read
+
 jobs:
   commitlint:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-      - name: Install required dependencies
-        run: |
-          apt update
-          apt install -y sudo
-          sudo apt install -y git curl
-          curl -sL https://deb.nodesource.com/setup_14.x | sudo -E bash -
-          sudo DEBIAN_FRONTEND=noninteractive apt install -y nodejs
+      - name: Setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+          cache: npm
+      - name: Install commitlint
+        run: npm install -D @commitlint/cli @commitlint/config-conventional
       - name: Print versions
         run: |
           git --version
           node --version
           npm --version
           npx commitlint --version
-      - name: Install commitlint
-        run: |
-          npm install conventional-changelog-conventionalcommits
-          npm install commitlint@latest
 
       - name: Validate current commit (last commit) with commitlint
         if: github.event_name == 'push'