chore(deps): update actions/setup-node action to v6 (#60)

Author: renovate[bot]

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Node.js 18.x
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 18.x
           cache: 'npm'
@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Node.js 18.x
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 18.x
           cache: 'npm'
@@ -55,7 +55,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Node.js 18.x
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 18.x
           cache: 'npm'

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Set up Node.js 18.x
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 18.x
           cache: 'npm'