chore: change yarn to pnpm

.github/workflows/playwright.yml

@@ -18,12 +18,16 @@ jobs:
         uses: actions/setup-node@v3
         with:
           node-version: "${{ env.node_version }}"
-      - name: Install dependencies
-        run: yarn install --frozen-lockfile
+      - name: "Install pnpm & dependencies"
+        uses: pnpm/action-setup@v4
+        with:
+          run_install: |
+            - recursive: true
+            - args: [--frozen-lockfile]
       - name: Install Playwright Browsers
-        run: yarn playwright install --with-deps
+        run: pnpm playwright install --with-deps
       - name: Run Playwright tests
-        run: yarn playwright test
+        run: pnpm playwright test
       - uses: actions/upload-artifact@v3
         if: always()
         with: