⚡ chore: migrate from yarn to pnpm package manager

- Update CI workflow to use pnpm instead of yarn
- Upgrade GitHub Actions versions (checkout@v7, setup-node@v7)
- Add pnpm setup step with version 10.12.4 and caching
- Replace all yarn commands with pnpm equivalents
- Add packageManager field to package.json
- Generate pnpm-lock.yaml lockfile

Author: maurodesouza

.github/workflows/ci.yml

@@ -6,21 +6,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v7
 
       - name: Setup Node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v7
         with:
           node-version: 20.x
 
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v6
+        with:
+          version: 10.12.4
+          cache: true
+
       - name: Install dependencies
-        run: yarn install --frozen-lockfile
+        run: pnpm install --frozen-lockfile
 
       - name: Linting
-        run: yarn lint
+        run: pnpm lint
 
       - name: Test
-        run: yarn test --coverage=false
+        run: pnpm test --coverage=false
 
       - name: Build
-        run: yarn build
+        run: pnpm build

package.json

@@ -28,13 +28,14 @@
   },
   "homepage": "https://profile-readme-generator.com",
   "private": true,
+  "packageManager": "pnpm@10.12.4",
   "scripts": {
     "dev": "next",
     "build": "next build",
     "start": "next start",
     "lint": "eslint src",
     "test": "vitest",
-    "analyze": "ANALYZE=true yarn build"
+    "analyze": "ANALYZE=true pnpm build"
   },
   "dependencies": {
     "@radix-ui/react-context-menu": "^2.2.15",