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

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node }}
       - uses: oven-sh/setup-bun@v2

.github/workflows/publish.yml

@@ -36,7 +36,7 @@ jobs:
           access-id: p-kf9vjzruht6l
           static-secrets: '{"/static-secrets/NPM/npm-publish-token":"NPM_TOKEN"}'
 
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
       - uses: oven-sh/setup-bun@v2
 
       - run: bun install