chore: update build and validation workflows to use npm instead of pnpm

Author: Bielgomes

.github/workflows/build.yml

@@ -20,10 +20,9 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
-          cache: 'pnpm'
 
       - name: Install dependencies
-        run: pnpm install
+        run: npm install
 
       - name: Lint
-        run: pnpm dlx prisma generate && pnpm run build
+        run: npx prisma generate && npm run build

.github/workflows/validations.yml

@@ -20,10 +20,9 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: 20
-          cache: 'pnpm'
 
       - name: Install dependencies
-        run: pnpm install
+        run: npm install
 
       - name: Lint
-        run: pnpm dlx prisma generate && pnpm run lint
+        run: npm prisma generate && npm run lint