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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
           registry-url: "https://registry.npmjs.org/"
@@ -36,7 +36,7 @@ jobs:
     if: github.event_name == 'release'
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
           registry-url: "https://registry.npmjs.org/"
@@ -61,7 +61,7 @@ jobs:
         with:
           ref: main
       - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 22
           cache: "pnpm"