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

Author: renovate[bot]

.github/workflows/release.yml

@@ -55,7 +55,7 @@ jobs:
           corepack enable
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 20
           cache: "pnpm"

.github/workflows/test.yml

@@ -40,7 +40,7 @@ jobs:
           corepack enable
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node }}
           cache: "pnpm"
@@ -67,7 +67,7 @@ jobs:
           corepack enable
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 20
           cache: "pnpm"