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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
           version: ${{ env.PNPM_VERSION }}
 
       - name: Setup node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
@@ -63,7 +63,7 @@ jobs:
           version: ${{ env.PNPM_VERSION }}
 
       - name: Setup node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'
@@ -95,7 +95,7 @@ jobs:
           version: ${{ env.PNPM_VERSION }}
 
       - name: Setup node ${{ env.NODE_VERSION }}
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: ${{ env.NODE_VERSION }}
           cache: 'pnpm'