Fix CI workflows to use pnpm instead of npm

Author: random25160765-collab

.github/workflows/ci.yml

@@ -22,20 +22,25 @@ jobs:
       - name: "☁️ Checkout repository"
         uses: actions/checkout@v4
 
+      - name: "📦 Setup pnpm"
+        uses: pnpm/action-setup@v4
+        with:
+          version: "11.6.0"
+
       - name: "📦 Setup Node.js"
         uses: actions/setup-node@v4
         with:
           node-version: "24"
-          cache: "npm"
+          cache: "pnpm"
 
       - name: "📦 Install dependencies"
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: "🔎 Lint code"
-        run: npm run lint
+        run: pnpm run lint
 
       - name: "📝 Checking code format"
-        run: npm run format:check
+        run: pnpm run format:check
 
       - name: "🚀 Build the project"
-        run: npm run build
+        run: pnpm run build

.github/workflows/deploy.yml

@@ -21,17 +21,22 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: "11.6.0"
+
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: "24"
-          cache: "npm"
+          cache: "pnpm"
 
       - name: Install dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: Build
-        run: npm run build
+        run: pnpm run build
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3