Update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/build-deploy.yml

@@ -51,7 +51,7 @@ jobs:
             exit 1
           fi
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "18"
           cache: ${{ steps.detect-package-manager.outputs.manager }}

.github/workflows/test.yml

@@ -46,7 +46,7 @@ jobs:
             exit 1
           fi
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "18"
           cache: ${{ steps.detect-package-manager.outputs.manager }}