Update CI step versions

Author: pimterry

.github/workflows/ci.yml

@@ -14,9 +14,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}