Replace npm by yarn

Author: NicoLaval

.github/workflows/deploy-pages.yml

@@ -1,4 +1,4 @@
-name: Deploy to GitHub Pages
+name: Deploy DDI API to GitHub Pages
 
 on:
   push:
@@ -23,29 +23,31 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
-          node-version: '20'
-          cache: 'npm'
+          node-version: "20"
+          cache: "yarn"
+
+      - name: Install Yarn
+        run: corepack enable && corepack prepare yarn@stable --activate
 
       - name: Install dependencies
-        run: npm ci
+        run: yarn install --frozen-lockfile
 
       - name: Build Swagger UI
-        run: npm run build:swagger
+        run: yarn build:swagger
 
       - name: Setup Pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v5
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: './dist'
+          path: "./dist"
 
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4
-

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "build:swagger": "node scripts/build-swagger.js",
     "preview:swagger": "npx serve dist -p 8080",
-    "deploy": "npm run build:swagger && gh-pages -d dist"
+    "deploy": "yarn build:swagger && gh-pages -d dist"
   },
   "devDependencies": {
     "gh-pages": "^6.0.0",