Update actions/setup-node action to v5 (#91)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/lint.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Use Node.js 20
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v5
       with:
         node-version: 22
     - name: npm for Lua lint