chore(deps): update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/lint_test.yaml

@@ -19,7 +19,7 @@ jobs:
         fetch-depth: 2
 
     - name: Set up Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ matrix.node-version }}