Move ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION inside build job

Signed-off-by: Finn Carroll <[email protected]>

.github/workflows/multi-node-test-workflow.yml

@@ -2,7 +2,6 @@ name: Multi node test workflow
 
 env:
   java_version: 21
-  ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
 
 # This workflow is triggered on pull requests to master
 on:
@@ -32,6 +31,9 @@ jobs:
       # need to switch to root so that github actions can install runner binary on container without permission issues.
       options: --user root
 
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true
+
     steps:
       # This step uses the setup-java Github action: https://github.com/actions/setup-java
       - name: Set Up JDK 21