ci: add Node 22.x and 24.x integration tests; drop Node 18.x (#308)

Author: thomasrockhu-codecov

.github/workflows/ci.yml

@@ -278,7 +278,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: ["18.x", "20.x"]
+        node-version: ["20.x", "22.x", "24.x"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4