revert: revert actions update

Author: henri-hulski

.github/workflows/test.yml

@@ -17,9 +17,9 @@ jobs:
         node-version: [20.x, 22.x, 24.x, 25.x]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
           cache: 'npm'