ci: update PR workflow

Author: ahmedriad1

.github/workflows/pr.yml

@@ -12,35 +12,45 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ['14.x', '16.x']
+        node: ['18.x', '20.x']
 
     steps:
       - name: Checkout repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
-      - name: Use Node ${{ matrix.node }}
-        uses: actions/setup-node@v1
+      - name: Setup PNPM
+        uses: pnpm/action-setup@v4
+
+      - name: Install Node.js ${{ matrix.node }}
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
-
-      - name: Install deps and build (with cache)
-        uses: bahmutov/npm-install@v1
+          cache: "pnpm"
+  
+      - name: Install dependencies
+        shell: bash
+        run: pnpm install
 
       - name: Lint
-        run: yarn lint --quiet
+        run: pnpm lint --quiet
 
       - name: Test
-        run: yarn test:coverage
+        run: pnpm test:coverage
 
       - name: Build
-        run: yarn build
+        run: pnpm build
 
   size:
     runs-on: ubuntu-latest
     env:
       CI_JOB_NUMBER: 1
     steps:
-      - uses: actions/checkout@v1
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      - name: Setup PNPM
+        uses: pnpm/action-setup@v4
+        
       - uses: andresz1/size-limit-action@v1
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}