chore(deps): update actions/setup-node action to v6 (#26)

Author: renovate[bot]

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Use Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "22"
 

.github/workflows/release.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Use Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "22"