update to v4 actions

Author: porsager

.github/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
           --health-timeout 5s
           --health-retries 5
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - run: |
           date
           sudo apt purge postgresql-14
@@ -48,7 +48,7 @@ jobs:
       - uses: denoland/setup-deno@v1
         with:
           deno-version: v1.x
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node }}
       - run: npm test