chore: update actions/checkout and actions/setup-node to v6

Author: KristjanESPERANTO

.github/workflows/ci.yml

@@ -25,11 +25,11 @@ jobs:
         node: [24]
     name: Node ${{ matrix.node }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.inputs.ref || github.ref }}
       - name: Setup Node ${{ matrix.node }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node }}
       - run: npm install --ignore-scripts