use node16 on github action

Author: datanel

.github/workflows/workflow.yml

@@ -114,6 +114,8 @@ jobs:
   build:
     runs-on: [self-hosted, corefront, sandbox]
     needs: [credentials, checks, precommit]
+    env:
+      ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION: true # see https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/
     strategy:
         fail-fast: false
         matrix: