Update actions/setup-node action to v6 (#823)

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -21,9 +21,10 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
+          cache: yarn
       - uses: threeal/setup-yarn-action@v2.0.0
         with:
           version: berry
@@ -45,9 +46,10 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: lts/*
+          cache: yarn
       - uses: threeal/setup-yarn-action@v2.0.0
         with:
           version: berry
@@ -62,9 +64,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: lts/*
+          cache: yarn
       - uses: threeal/setup-yarn-action@v2.0.0
         with:
           version: berry
@@ -92,9 +95,10 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: lts/*
+          cache: yarn
 
       - uses: threeal/setup-yarn-action@v2.0.0
         with: