ci: bump actions/setup-node from 5 to 6 (#94)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
       - run: npm ci

.github/workflows/docs.yaml

@@ -11,7 +11,7 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v5
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version-file: .nvmrc
       - run: npm i