update actions versions

Author: rithviknishad

.github/workflows/ci.yaml

@@ -56,7 +56,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v5
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -68,7 +68,7 @@ jobs:
         run: pnpm install --frozen-lockfile
 
       - name: Download Build Artifacts
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: dist
           path: dist/