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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -44,7 +44,7 @@ jobs:
 
       - uses: FranzDiebold/github-env-vars-action@v2
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 19
 

.github/workflows/release.yml

@@ -38,7 +38,7 @@ jobs:
 
       - uses: FranzDiebold/github-env-vars-action@v2
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 19