chore(deps): Update actions/setup-node action to v6 (#98)

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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           cache: 'npm'

.github/workflows/release.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Set up Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
           cache: 'npm'