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

Author: renovate[bot]

.github/workflows/publish.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v5
 
       # prepare
-      - uses: actions/setup-node@v4.4.0
+      - uses: actions/setup-node@v6.0.0
         with:
           node-version: '22'
           registry-url: 'https://registry.npmjs.org'

.github/workflows/test.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v5
 
       # prepare
-      - uses: actions/setup-node@v4.4.0
+      - uses: actions/setup-node@v6.0.0
         with:
           node-version: '22'
           registry-url: 'https://registry.npmjs.org'