ci: update actions/setup-node to v5

Author: striezel

.github/workflows/audit.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
           node-version: ${{ matrix.node-version }}
       - name: Audit npm packages

.github/workflows/node.js.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
     - uses: actions/checkout@v5
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v5
       with:
         node-version: ${{ matrix.node-version }}
     - name: Display version information