Update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/test.yml

@@ -23,7 +23,7 @@ jobs:
           persist-credentials: false
 
       - name: Node setup
-        uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6
         with:
           cache-dependency-path: package.json
           node-version: "20.x"