chore(deps): update actions/setup-node action to v6 (#399)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-node@v5
+    - uses: actions/setup-node@v6
       with:
         node-version-file: .tool-versions
     - run: npm ci

.github/workflows/release.yml

@@ -52,7 +52,7 @@ jobs:
           git config user.name github-actions
           git config user.email github-actions@github.com
 
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: .tool-versions
           registry-url: 'https://registry.npmjs.org'

.github/workflows/release_test.yml

@@ -13,7 +13,7 @@ jobs:
     if: github.event_name == 'workflow_dispatch'
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: .tool-versions
           registry-url: 'https://registry.npmjs.org'