update action versions

Author: joshunrau

.github/workflows/ci.yaml

@@ -8,11 +8,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setup PNPM
         uses: pnpm/action-setup@v4
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           cache: 'pnpm'
           node-version-file: '.nvmrc'