ci: Use generic node 18 for node-integration-tests (#16755)

No need to overwrite to a specific version here anymore, I believe.

Author: mydea

.github/workflows/build.yml

@@ -709,7 +709,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node: ['18.20.5', 20, 22, 24]
+        node: [18, 20, 22, 24]
         typescript:
           - false
         include: