Update production deployment workflow to use pnpm for dependency management

Author: theoribbi

.github/workflows/production-deployment.yml

@@ -6,9 +6,8 @@ env:
 
 on:
   push:
-    # Pattern matched against refs/tags
     tags:
-      - '*' # Push events to every tag not containing /
+      - '*' 
 
 jobs:
   Deploy-Production:
@@ -21,10 +20,14 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '18'
-          cache: 'npm'
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
 
       - name: Install dependencies
-        run: npm ci
+        run: pnpm install --frozen-lockfile
 
       - name: Install Vercel CLI
         run: npm install --global vercel@latest